Quote:
Originally Posted by Penforhire
Even without my USB port going into sleep mode I have to let it charge for an extra three or four hours after it thinks it is fully charged to achieve a 'full' charge that does not noticeably drain (lose one battery charge bar) the next day. Now your issue might also be abnormal drain but make sure you're getting a proper charge (hours beyond what the device reports).
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This is standard for LiOn and Lithium-polymer batteries... full charge, as reported, is actually around 80% and then the charge rate is reduced hence the several more hours for actual full charge...