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I have an old Samsung phone charging dongle (that's what it's really called) that is rated 5v @ 1Amp (chargers range from .5 (500ma), to 3A). Using my 1A dongle it usually charges in an hour. It may start to record that time as sleep if you stay sedentary after, but that's easy to edit in the app. I haven't charged it on 3Amp or 1/2 (500ma) yet. The charge really does last 4-5 days depending on settings. TL:DR about 1 hour
Sorry, there was a problem. Please try again later.The changing time of the battery will depend on how low the battery is, but typically a completely depleted battery could take up to 3 hours to charge.
Sorry, there was a problem. Please try again later.It seems to just take a few minutes. I just charge it when I'm in the shower and getting ready for work.
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