• USB Power Banks Tested – All The Results

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    All the results of my USB power banks tests

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  • Here are the results of testing 13 USB power banks (including two wild cards). I compare them across about 28 criteria, including real world capacity, voltage drops, energy density, price and fast charging capability.

    Thanks to Franky for the USB Power monitor that was a huge value during testing: http://www.ebay.com/itm/USB-3-0-Power…

    Link to the spreadsheet: http://mjlorton.com/forum/index.php?t…

    Link to other review: http://thewirecutter.com/reviews/best…

    1 Overall Rankings

    Click the image to buy from Amazon and support MJLorton.comMake and ModelQuoted Capacity (Ah)Actual Capacity 500 mA load (Ah / Wh) / % of claimed CapacityQuoted Capacity Cost ($/Ah)Actual Capacity Cost ($/Ah)Number of iPhone / iPod charges

    		Scud USA / Fremo P100 (10400 mAh @3.7v / 38.48 Wh)10.46.7 Ah / 33.7 Wh / 64 %2.43.736.6

    		Anker (15 000 mAh)158.08 Ah / 42.64 Wh / 53.8 %4.38.088.3

    		EasyAcc Classic (10 000 mAh / 37 Wh)107.2 Ah / 37.59 Wh / 72 %2.53.477.4
    Maxboost Electron 15000mAhMaxboost Electron (10 000 mAh)105.64 Ah / 29.16 Wh / 56.4 %2.23.95.7

    		Bolt Power (16500 mAh / 61.05 Wh)16.57.7 Ah / 40.7 Wh / 46.6 %8.4818.188

    		Goal Zero YETI150 (14 000 mAh / 150 Wh)1422.71 Ah / 115.76 Wh / 77.1 % of Wh11.717.2222.7
    EasyAcc 2nd Gen. Classic 15600mAhEasyAcc (15 600 mAh / 57.7 Wh)15.610.3 Ah / 53.5 Wh / 66 %1.792.7110.5

    		Anker 2nd Gen Astro (10 000 mAh)106.4 Ah / 33.41 Wh / 64 %2.84.386.55

    		Anker 2nd Gen Astro Mini Lipstick (3 200m Ah / 11.84 Wh)3.21.92 Ah / 9.87 Wh / 60 %3.756.251.94
    Intocircuit 13000 mAhIntocircuit 2nd Gen Power Castle (13 000mAh / 48.1 Wh)137.7 Ah / 39.68 Wh / 59.2 %2.313.97.78

    		Poweradd Mini Portable (5000mAh)53.43 Ah / 17.47 Wh / 68.6 %3.65.253.42
    Poweradd 10400mAhPoweradd with Multi-Angle Portable Stand (10400mAh / 37 Wh)10.46.59 Ah / 33.35 Wh / 63.3 %3.565.616.54
    Smart Tech Apollon V8000 (8000 mAh)85.45 Ah / 28.11 Wh / 68.1 %12.3818.175.51

    2 Specs

    Click the image to buy from Amazon and support MJLorton.comMake and ModelQuoted Capacity (Ah)Number of USB Charge portsUnit weight (grams / ounces)Other features - Flash light, Solar charging, etcUnit Cost (USD $)

    		Scud USA / Fremo P100 (10400 mAh @3.7v / 38.48 Wh)10.41257 g / 9.0 ozNone24.99

    		Anker (15 000 mAh)152318 g / 11.2 ozFlashlight65

    		EasyAcc Classic (10 000 mAh / 37 Wh)102238 g / 8.3 ozNone24.99
    Maxboost Electron 15000mAhMaxboost Electron (10 000 mAh)102241 g / 8.5 ozFlashlight21.99

    		Bolt Power (16500 mAh / 61.05 Wh)16.51590 g / 20.8 ozStart Car/ Power laptop +++139.99

    		Goal Zero YETI150 (14 000 mAh / 150 Wh)1425545 g / 195.6 ozInverter, 12 V out, Solar Charge port164 (196)
    EasyAcc 2nd Gen. Classic 15600mAhEasyAcc (15 600 mAh / 57.7 Wh)15.62343 g / 12 ozFlash Light27.99

    		Anker 2nd Gen Astro (10 000 mAh)102221 g / 7.7 ozPowerIQ Ports27

    		Anker 2nd Gen Astro Mini Lipstick (3 200m Ah / 11.84 Wh)3.2183 g / 2.9 ozPowerIQ Port11.99
    Intocircuit 13000 mAhIntocircuit 2nd Gen Power Castle (13 000mAh / 48.1 Wh)132307 g / 10.8 ozSmartID and Flashlight29.99

    		Poweradd Mini Portable (5000mAh)51151g / 5.3 ozNA17.99
    Poweradd 10400mAhPoweradd with Multi-Angle Portable Stand (10400mAh / 37 Wh)10.42399 g / 14 ozFolding stand for phone and flashlight36.99
    Smart Tech Apollon V8000 (8000 mAh)81196 g / 6.9 oz12 V output99

    3.1 USB Port Tests 1

    USB Power BankNumber of USB Charge portsRating of USB Charge Port 1Rating of USB Charge Port 2Input Charge Rating / Actual Charge rate
    Scud USA / Fremo P100 (10400 mAh @3.7v / 38.48 Wh)15.1 V @ 2 ANA5 V @ 2 A / 5 V @ 900 mA
    Anker (15 000 mAh)25 v @ 2 A5 V @ 1 A5 V @ 1.5 A / 5 V @ 1.2 A - 1.6 A
    EasyAcc Classic (10 000 mAh / 37 Wh)25 V @ 2.1 A5 V @ 1.5 A5 V @ 1.5 A / 5 V @ 1.1 A
    Maxboost Electron (10 000 mAh)25 V @ 2.1 A5 V @ 1 A5 V @ 2.1 A / 5 V @ 890 mA
    Bolt Power (16500 mAh / 61.05 Wh)15 V @ 2.1 ANA12-15 V @ 1 A / 15 V @ 950 mA
    Goal Zero YETI150 (14 000 mAh / 150 Wh)25 V @ 2.1 A5 V @ 2.1 A14 V - 29 V @ 5 A (60 W Max) / 13 V @ 3 A
    EasyAcc (15 600 mAh / 57.7 Wh)25 V @ 1 A5 V @ 2.1 A5 V @ 2 A / 5 V @ 1.85 A
    Anker 2nd Gen Astro (10 000 mAh)25 V @ 3A Total5 V @ 3A Total5 V @ 2 A / 5 V @ 2 A
    Anker 2nd Gen Astro Mini Lipstick (3 200m Ah / 11.84 Wh)15 V @ 1 ANA5 V @ 0.8 A / 5 V @ 0.8 A
    Intocircuit 2nd Gen Power Castle (13 000mAh / 48.1 Wh)25 V @ 1 A5 V @ 2.1 A5 V @ 1.5 A / 5 V @ 1.5 A
    Poweradd Mini Portable (5000mAh)15 V @ 2.1 ANA5 V @ 1.5 A / 5 V @ 1.8 A
    Poweradd with Multi-Angle Portable Stand (10400mAh / 37 Wh)25 V @ 1 A5 V @ 2.4 A5 V @ 1 A / 5 V @ 870 mA
    Smart Tech Apollon V8000 (8000 mAh)15 V @ 2 A12 V @ 0.8 A5 V @ 2 A / 5 v @ 1.5 A

    3.1 USB Port Tests 2

    USB Power BankVoltage at USB Charge Port - no loadVoltage at USB Charge Port - 500 mAVoltage at USB Charge Port - 2 A (or quoted max if less than 2 A)Voltage at USB Charge Port - Max currentMaxium Power output (Watts) (note, voltage level may be too low for some devices)
    Scud USA / Fremo P100 (10400 mAh @3.7v / 38.48 Wh)5.034.994.9 V @ 2 A4.75 V @ 2.6 A12.35
    Anker (15 000 mAh)5.355.285.17 V @ 2 A4.1 V @ 3.1 A12.71
    EasyAcc Classic (10 000 mAh / 37 Wh)5.115.084.97 V @ 2 A4.6 V @ 2.2 A10.12
    Maxboost Electron (10 000 mAh)5.25.154.96 V @ 2 A4.96 V @ 2.3 A11.41
    Bolt Power (16500 mAh / 61.05 Wh)5.355.285.1 V @ 2 A4.8 V @ 3 A14.4
    Goal Zero YETI150 (14 000 mAh / 150 Wh)5.115.095.01 V @ 2 A3.7 V @ 4.3 A15.91
    EasyAcc (15 600 mAh / 57.7 Wh)5.215.235.05 V @ 2 A5.06 V @ 2.2 A11.13
    Anker 2nd Gen Astro (10 000 mAh)5.275.225.09 V @ 2 A3.6 V @ 4.3 A15.48
    Anker 2nd Gen Astro Mini Lipstick (3 200m Ah / 11.84 Wh)5.235.135.07 V @ 1 A3.6 V @ 1.8 A6.48
    Intocircuit 2nd Gen Power Castle (13 000mAh / 48.1 Wh)5.325.164.98 V @ 2 A4.94 V @ 2.3 A11.36
    Poweradd Mini Portable (5000mAh)5.125.094.9 V @ 2 A4.9 V @ 2.1 A10.29
    Poweradd with Multi-Angle Portable Stand (10400mAh / 37 Wh)5.195.064.9 V @ 2 A4.7 V @ 2.7 A12.69
    Smart Tech Apollon V8000 (8000 mAh)5.195.164.95 V @ 2 A4.25 V @ 2.63 A11.18

    4 Fast Charge Tests

    USB Power BankFast Charge compatibility - iPadFast Charge compatibility - iPhone / iPodFast Charge compatibility - Android PhoneFast Charge compatibility - BlackBerryFast Charge compatibility - Android Tablet
    Scud USA / Fremo P100 (10400 mAh @3.7v / 38.48 Wh)NoYesYesYesYes
    Anker (15 000 mAh)Yes - Port 1Yes - Port 1Yes - Port 1 OnlyYes - Port 2Yes - Port 1
    EasyAcc Classic (10 000 mAh / 37 Wh)Yes - Port 1Yes - Port 1Yes - Port 1 OnlyYes - Port 2Yes
    Maxboost Electron (10 000 mAh)NoYesYesYes - Port 2Yes - Port 2
    Bolt Power (16500 mAh / 61.05 Wh)NoYesYesNo Charge!Yes
    Goal Zero YETI150 (14 000 mAh / 150 Wh)YesYesYesYesYes
    EasyAcc (15 600 mAh / 57.7 Wh)Yes - Port 2Yes - Port 2Yes - Port 1 OnlyYesYes
    Anker 2nd Gen Astro (10 000 mAh)Yes @ 2.1 A!YesYesYesYes
    Anker 2nd Gen Astro Mini Lipstick (3 200m Ah / 11.84 Wh)NoYesYesNoNo
    Intocircuit 2nd Gen Power Castle (13 000mAh / 48.1 Wh)Yes - Port 2YesYesYesYes
    Poweradd Mini Portable (5000mAh)YesYesYesYesYes
    Poweradd with Multi-Angle Portable Stand (10400mAh / 37 Wh)Yes - Port 2YesYesYesYes - Port 1 Only
    Smart Tech Apollon V8000 (8000 mAh)NoYesYesYesYes

    5 Energy Density Comparisons

    USB Power BankUnit weight (grams / ounces)Energy Density (Wh / kg)Physical Size L x W x H (mm)Volume (L)Energy Volume (Wh / L)
    Scud USA / Fremo P100 (10400 mAh @3.7v / 38.48 Wh)257 g / 9.0 oz131.1393 x 79 x 220.161209.3
    Anker (15 000 mAh)318 g / 11.2 oz134.09125 x 77 x 240.231184.59
    EasyAcc Classic (10 000 mAh / 37 Wh)238 g / 8.3 oz157.94133 x 72 x 170.1628230.89
    Maxboost Electron (10 000 mAh)241 g / 8.5 oz121108 x 72 x 230.1788163.09
    Bolt Power (16500 mAh / 61.05 Wh)590 g / 20.8 oz68.98185 x 85 x 450.707657.51
    Goal Zero YETI150 (14 000 mAh / 150 Wh)5545 g / 195.6 oz25.51197 x 165 x 1474.77829.61
    EasyAcc (15 600 mAh / 57.7 Wh)343 g / 12 oz155.98158 x 62 x 230.225237.77
    Anker 2nd Gen Astro (10 000 mAh)221 g / 7.7 oz151.177137 x 67 x 170.156214.17
    Anker 2nd Gen Astro Mini Lipstick (3 200m Ah / 11.84 Wh)83 g / 2.9 oz118.9295 x 23 (H x Diameter)0.039250.06
    Intocircuit 2nd Gen Power Castle (13 000mAh / 48.1 Wh)307 g / 10.8 oz129.25128 x 70 x 220.197201.42
    Poweradd Mini Portable (5000mAh)151g / 5.3 oz115.7118 x 63 x 110.082213.05
    Poweradd with Multi-Angle Portable Stand (10400mAh / 37 Wh)399 g / 14 oz83.58134 x 97 x 290.37688.7
    Smart Tech Apollon V8000 (8000 mAh)196 g / 6.9 oz143.42129 x 69 x 170.151186.16

    6 Charge Times

    USB Power BankTime to full charge (Hours:Mins)Time to full charge per actual capacity Hour / 1 AhNumber of iPhone / iPod charges
    Scud USA / Fremo P100 (10400 mAh @3.7v / 38.48 Wh)13:001.94 Hours / Ah6.6
    Anker (15 000 mAh)10:001.23 Hours / Ah8.3
    EasyAcc Classic (10 000 mAh / 37 Wh)09:001.25 Hours / Ah7.4
    Maxboost Electron (10 000 mAh)14:002.48 Hours / Ah5.7
    Bolt Power (16500 mAh / 61.05 Wh)05:300.71 Hours / Ah * External PSU8
    Goal Zero YETI150 (14 000 mAh / 150 Wh)04:080.18 Hours / Ah * External PSU22.7
    EasyAcc (15 600 mAh / 57.7 Wh)13:171.29 Hours / Ah10.5
    Anker 2nd Gen Astro (10 000 mAh)06:401.05 Hours / Ah6.55
    Anker 2nd Gen Astro Mini Lipstick (3 200m Ah / 11.84 Wh)05:202.76 Hours /Ah1.94
    Intocircuit 2nd Gen Power Castle (13 000mAh / 48.1 Wh)09:151.2 Hours / Ah7.78
    Poweradd Mini Portable (5000mAh)03:000.87 Hours / Ah3.42
    Poweradd with Multi-Angle Portable Stand (10400mAh / 37 Wh)11:301.74 Hours / Ah6.54
    Smart Tech Apollon V8000 (8000 mAh)04:200.79 Hours / Ah5.51

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