5 Best Solar Power Banks: I'm Unimpressed!

I bought 5 of the best solar power banks and put them to the test! The results were...underwhelming.

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TIMESTAMPS

0:00 Solar Charging Test
1:07 Battery Capacity Test
3:09 The Flaw
4:03 Charging Ports & Other Features
4:35 The Winner
5:21 I'm Unimpressed.


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I tested how much solar energy all these solar power banks collected after being left outside for 2 days. Then I charged them up and tested how much battery capacity they *actually* have and compared it to their listed capacity. I also talk about a flaw present in the current crop of solar power banks.

Note: Listed capacities came from the solar power banks themselves. In the case that the power banks only reported their capacity in milliamp hours (mAh), I calculated their watt hours by multiplying their milliamps hours by a voltage of 3.7V (the nominal voltage for the Li-ion batteries used in most power banks) and then dividing by 1,000.


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Some of the links in this description and in the comments below are affiliate links. If you make a purchase after clicking on one, at no extra cost to you I may earn a commission. As an Amazon Associate I earn from qualifying purchases.

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