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Old 02-04-2024, 12:17 PM   #53
compurandom
Wizard
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Join Date: Jun 2015
Device: Rocketbook, kobo aura h2o, kobo forma, kobo libra color
Quote:
Originally Posted by John F View Post
What do you consider a "deep cycle" and how periodically? I tend to go down to 20-40% and charge to 100%, and haven't had any strange battery meter behavior.
Deep cycle for typical lithium battery chemistry is 10% or below. Basically, it's where your device says "charge me now, I'm shutting off". Most manufacturers recommend doing this every 6 months, but it shortens your battery life significantly, so I'd recommend doing it on purpose no more than once a year.

If you are already bringing it down to 20% (which is safe and probably doesn't hurt the battery life too much), then you may be slowly losing the remaining 10% in the meter. You might not notice for a year or two (or three)...at which time you should go lower.

Last edited by compurandom; 02-04-2024 at 12:19 PM.
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