1-3 of 3 Answers
These things seem to hold charge almost indefinitely, any of these powerbanks. I had ones that haven't been charged in a year and still have full charge or near full charge.
Sorry, there was a problem. Please try again later.Yes for awhile. After a few months though it starts to drain.
Sorry, there was a problem. Please try again later.At least for a week or so.... we've never let ours go longer than that.
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