USB Charging Banks
Posted: Sun Jun 13, 2021 3:02 amDo these things go bad really quickly, or am I just buying crappy ones?
Are they Li-on batteries?
https://batteryuniversity.com/learn/art ... _batteries
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USB Charging Banks
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Posted: Sun Jun 13, 2021 3:02 amRe: USB Charging Banks
Posted: Sun Jun 13, 2021 8:11 am