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RE: Teardown/Explanation of a Solar-Powered USB Battery Pack
I bought a similar one recently. It takes some time to charge it with the solar panel but works fine so far.
I bought a similar one recently. It takes some time to charge it with the solar panel but works fine so far.
Yeah, the solar panel really should only be used as a backup. Thankfully these battery banks almost always have a charging port to use them like regular batteries as well.