Thread: Battery life: leave plugged in or let discharge
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Old 05-08-2019, 02:48 PM   #17
DNSB
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Quote:
Originally Posted by Readirect View Post
It is ABSOLUTELY FALSE that keeping a lithium-based battery at 100% will damage it. That's because ALL such batteries have a mechanism which turns off the charging once it becomes fully charged.

Here's a YouTube video from Dell which says just that (@ 1:20 of the video). It deals with laptops but it applies to all battery-powered electronics devices.
https://www.youtube.com/watch?v=aF6kfMsQxdQ

FWIW, that's a myth left-over from the last-gen batteries which where nickel-based.
Interesting since the default settings for longest battery life on my Lenovo laptop stops charging at 96%. The battery is a lithium ion polymer battery.

Currently hovering over the battery shows: 97% available (plugged in, not charging).
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