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Mobile power bank reviews

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Last updated: 06 December 2023
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We test power banks designed to keep even the most power-hungry smartphones kicking day and night. Our detailed test results reveal:

  • approximate charge time
  • approximate portable battery recharge time
  • size and weight (including which models can fit in your pocket).

Our testing also shows the usable capacity of each power bank, which often varies considerably from the stated capacity.

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The battery life of your smartphone is under a lot of extra strain from apps, social media, music streaming and online video. Whether it's an iPhone or Android with a micro-USB or USB-C input, a power bank will help keep your phone charged throughout the day.

Our interactive comparison table shows the number of devices each power bank can charge simultaneously, whether they can power a laptop and Nintendo Switch, and other useful features and functions such as auto on/off settings, fast charge and USB-C output.

Note: We removed the 'total number of charges' element of our test as we felt it had become arbitrary with the huge range of phones on the market. You can calculate the approximate number of charges yourself by dividing the usable measured capacity (shown in the table) of the power banks you're considering by your smartphone's claimed battery capacity.

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List of brands we tested in this review.

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Recommended retail price at the time of testing.

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Performance score

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Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.


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Weight (g)

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The weight of the power bank in grams, without any cables or packaging.

Pocketability guide

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This is a broad guide based on our experience handling the devices.


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    Can charge a laptop via USB-C

    Included in this review

    Members-only access
    • Recommended
    • ÐÓ°ÉÂÛ̳Expert Rating
    • Performance score
    • Ease of use score
    • Display score
    • Multiple device score
    • Pocketability guide
    • Power bank charge time
    • Usable capacity, measured (mAh)
    • Fastest charging 5V USB port (amps)
    • Slowest charging 5V USB port (amps)
    • Maximum combined output (watts)
    • Overload protection
    • Short circuit protection
    • Good points
    • Bad points
    • Price
    • Date tested
    • Stated capacity (mAh)
    • Number of USB-A ports
    • Number of USB-C ports
    • Battery type
    • Weight (g)
    • Size (mm, H x D x W)
    • Quick charge output
    • Wireless charging
    • Charge indicator
    • Can charge a laptop via USB-C
    • Can charge a Nintendo Switch
    • Over-charge protection
    • Country of origin
    • Other features

    Results

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    Anker PowerCore 13000

    Anker PowerCore 13000
    $50
    Expand to view more details.

    Recommended retail price at the time of testing.

    13000 mAh stated capacity, 7605 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

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    Weight 241g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
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    Anker PowerCore Essential 20000 PD

    Anker PowerCore Essential 20000 PD
    $120
    Expand to view more details.

    Recommended retail price at the time of testing.

    20000 mAh stated capacity, 13092 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

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    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

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    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

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    Weight 346g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
    Back to filters Go to compare selected box

    Anker PowerCore III 10K

    Anker PowerCore III 10K
    $110
    Expand to view more details.

    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 6487 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


    Unlock this by becoming a member.

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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

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    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

    Unlock this by becoming a member.

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    Weight 237g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
    Back to filters Go to compare selected box

    Anker PowerCore III Sense 20K

    Anker PowerCore III Sense 20K
    $170
    Expand to view more details.

    Recommended retail price at the time of testing.

    20000 mAh stated capacity, 12701 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


    Unlock this by becoming a member.

    Join now

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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

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    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

    Unlock this by becoming a member.

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    Weight 348g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
    Back to filters Go to compare selected box

    Anker PowerCore+ 26800

    Anker PowerCore+ 26800
    $91
    Expand to view more details.

    Recommended retail price at the time of testing.

    26800 mAh stated capacity, 16247 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


    Unlock this by becoming a member.

    Join now

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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

    Join now

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    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

    Unlock this by becoming a member.

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    Weight 580g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
    Back to filters Go to compare selected box

    Apple iPhone Battery Pack MagSafe

    Apple iPhone Battery Pack MagSafe
    $139
    Expand to view more details.

    Recommended retail price at the time of testing.

    Not stated mAh stated capacity, 1548 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

    Unlock this by becoming a member.

    Join now

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    Weight 114g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
    Back to filters Go to compare selected box

    Belkin Boost Charge USB-C PD Power Bank 20K

    Belkin Boost Charge USB-C PD Power Bank 20K
    $130
    Expand to view more details.

    Recommended retail price at the time of testing.

    20000 mAh stated capacity, 13993 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

    Unlock this by becoming a member.

    Join now

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    Weight 457g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
    Back to filters Go to compare selected box

    Belkin BoostCharge Power Bank 10K

    Belkin BoostCharge Power Bank 10K
    $60
    Expand to view more details.

    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 6346 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

    Unlock this by becoming a member.

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    Weight 210g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
    Back to filters Go to compare selected box

    Belkin BoostCharge Power Bank 20K

    Belkin BoostCharge Power Bank 20K
    $79
    Expand to view more details.

    Recommended retail price at the time of testing.

    20000 mAh stated capacity, 13972 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

    Unlock this by becoming a member.

    Join now

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    Weight 422g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
    Back to filters Go to compare selected box

    Belkin BoostCharge USB-C Power Bank 10K

    Belkin BoostCharge USB-C Power Bank 10K
    $80
    Expand to view more details.

    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 6293 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Weight 249g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
    Back to filters Go to compare selected box

    Belkin BPD001 BoostCharge Magnetic 10K

    Belkin BPD001 BoostCharge Magnetic 10K
    $80
    Expand to view more details.

    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 6586 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Weight 284g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
    Back to filters Go to compare selected box

    Cygnett ChargeUp Boost 3rd Generation 10,000mAh Power Bank

    Cygnett ChargeUp Boost 3rd Generation 10,000mAh Power Bank
    $65
    Expand to view more details.

    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 6239 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Weight 241g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
    Back to filters Go to compare selected box

    Cygnett ChargeUp Boost 3rd Generation 20,000mAh Power Bank

    Cygnett ChargeUp Boost 3rd Generation 20,000mAh Power Bank
    $80
    Expand to view more details.

    Recommended retail price at the time of testing.

    20000 mAh stated capacity, 13945 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Weight 430g
    Expand to view more details.
    The weight of the power bank in grams, without any cables or packaging.
    Results for paid members only
    Back to filters Go to compare selected box

    Cygnett ChargeUp Reserve 2nd Generation 10,000mAh Power Bank

    Cygnett ChargeUp Reserve 2nd Generation 10,000mAh Power Bank
    $80
    Expand to view more details.

    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 6432 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

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    Weight 196g
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    The weight of the power bank in grams, without any cables or packaging.
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    Cygnett ChargeUp Reserve 2nd Generation 20,000mAh Power Bank

    Cygnett ChargeUp Reserve 2nd Generation 20,000mAh Power Bank
    $120
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    Recommended retail price at the time of testing.

    20000 mAh stated capacity, 13319 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
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    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Pocketability guide
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    Weight 353g
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    The weight of the power bank in grams, without any cables or packaging.
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    Cygnett Mag5000

    Cygnett Mag5000
    $60
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    Recommended retail price at the time of testing.

    5000 mAh stated capacity, 2489 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Pocketability guide
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    Weight 137g
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    The weight of the power bank in grams, without any cables or packaging.
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    EFM 20,000mAh Portable Power Bank

    EFM 20,000mAh Portable Power Bank
    $80
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    Recommended retail price at the time of testing.

    20000 mAh stated capacity, 10932 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Pocketability guide
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    Weight 425g
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    The weight of the power bank in grams, without any cables or packaging.
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    Golf G80 Candy 10000mAh 2 USB Power Bank

    Golf G80 Candy 10000mAh 2 USB Power Bank
    $25.00
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    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 6225 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Pocketability guide
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    Weight 220g
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    The weight of the power bank in grams, without any cables or packaging.
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    Laser CHARGECORE

    Laser CHARGECORE
    $50
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    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 6324 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Pocketability guide
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    Weight 253g
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    The weight of the power bank in grams, without any cables or packaging.
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    Mophie Snap+ Juice Pack Mini Wallet

    Mophie Snap+ Juice Pack Mini Wallet
    $66
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    Recommended retail price at the time of testing.

    5000 mAh stated capacity, 2815 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Pocketability guide
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    Weight 139g
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    The weight of the power bank in grams, without any cables or packaging.
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    Moyork Watt+ 8000mAH Qi Wireless

    Moyork Watt+ 8000mAH Qi Wireless
    $65
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    Recommended retail price at the time of testing.

    8000 mAh stated capacity, 4772 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Weight 202g
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    Nimble Champ 10K Portable Charger

    Nimble Champ 10K Portable Charger
    $80
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    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 5656 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Weight 185g
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    The weight of the power bank in grams, without any cables or packaging.
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    OtterBox Fast Charge Qi 15K

    OtterBox Fast Charge Qi 15K
    $82
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    Recommended retail price at the time of testing.

    15000 mAh stated capacity, 9485 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Pocketability guide
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    Weight 450g
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    The weight of the power bank in grams, without any cables or packaging.
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    Otto Powerbank 18W Leaf Print

    Otto Powerbank 18W Leaf Print
    $49
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    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 5722 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Weight 206g
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    The weight of the power bank in grams, without any cables or packaging.
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    Romoss PPD20

    Romoss PPD20
    $80
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    Recommended retail price at the time of testing.

    20000 mAh stated capacity, 13647 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Weight 480g
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    The weight of the power bank in grams, without any cables or packaging.
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    Romoss Sense 6+

    Romoss Sense 6+
    $60
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    Recommended retail price at the time of testing.

    20000 mAh stated capacity, 12890 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Weight 466g
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    The weight of the power bank in grams, without any cables or packaging.
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    Romoss SW20S Pro Fast Charging Power Bank 20000mAh 30W

    Romoss SW20S Pro Fast Charging Power Bank 20000mAh 30W
    $56
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    Recommended retail price at the time of testing.

    20000 mAh stated capacity, 11689 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Pocketability guide
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    Weight 484g
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    The weight of the power bank in grams, without any cables or packaging.
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    Samsung 10,000mAh Battery Pack P3400

    Samsung 10,000mAh Battery Pack P3400
    $59
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    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 6645 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Weight 211g
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    The weight of the power bank in grams, without any cables or packaging.
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    Satechi Quatro Wireless Power Bank (for Apple Watch)

    Satechi Quatro Wireless Power Bank (for Apple Watch)
    $139
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    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 6978 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Weight 270g
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    The weight of the power bank in grams, without any cables or packaging.
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    Unbranded (eBay) YN-043P

    Unbranded (eBay) YN-043P
    $110
    Expand to view more details.

    Recommended retail price at the time of testing.

    9600 mAh stated capacity, 5463 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Pocketability guide
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    This is a broad guide based on our experience handling the devices.

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    Weight 190g
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    The weight of the power bank in grams, without any cables or packaging.
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    Veektomx 10000mAh Power Bank

    Veektomx 10000mAh Power Bank
    $39
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    Recommended retail price at the time of testing.

    10000 mAh stated capacity, 5700 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
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    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
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    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

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    Multiple device score
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    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

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    Pocketability guide
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    This is a broad guide based on our experience handling the devices.

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    Weight 168g
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    The weight of the power bank in grams, without any cables or packaging.
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    X-Dragon External Charger Portable LCD 5000000mAh

    X-Dragon External Charger Portable LCD 5000000mAh
    $26.00
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    Recommended retail price at the time of testing.

    500000 mAh stated capacity, 6052 mAh usable capacity (measured).
    ÐÓ°ÉÂÛ̳Expert Rating
    Expand to view more details.

    This overall score is made up of performance (70%), ease of use (15%) and display (15%). Note: Discontinued models were tested using a different methodology. As such, these test results should be used as a general guide.


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    Performance score
    Expand to view more details.
    Each power bank is connected to an electronic load reference instrument, which is set to draw the maximum supported current from the fastest charging USB-A port. The voltage is determined by the power bank itself and recorded in the output, and data is graphed to show capacity drain over time. This gives us the total milliamp hours that the battery supports.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Multiple device score
    Expand to view more details.
    This refers to the power bank's ability to charge multiple devices at once, if more than one port is available. Higher scoring models showed a limited drop in charging performance when two or more devices were plugged in. This does not contribute to the overall score. In 2022 this method was altered to be a general performance test observed over the course of 30 minutes.

    Unlock this by becoming a member.

    Join now

    Already a member? Log in now

    Pocketability guide
    Expand to view more details.
    This is a broad guide based on our experience handling the devices.

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    Weight 247g
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    The weight of the power bank in grams, without any cables or packaging.
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