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Why Charging Your Gadgets Over 80% Is Such a Bad Idea | iFixit News (www.ifixit.com)

submitted 9 months ago by otter@lemmy.ca to c/technology@lemmy.world

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[–] GluWu@lemm.ee 6 points 9 months ago (1 children)

Well this applies to anything with a lipo/ion battery. If you charge your backup battery pack to 100% then store it, it's very probably you'll end up having a drained and fully dead battery when you need it.

Wonder if there are any battery packs designed for long term storage. They could hold 100%(4.2v or whatever) but would internally discharge slowly down to 80% then stop. I bet those huge batteries YouTubers use don't even have that level of BMS. It's trivial software but planned obsolescence that eco friendly capitalist companies would never do.

Here I am with 5 year old RC 5k cycle lipos that still have at least 80% of their manufacturing capacity.

[–] Alto@kbin.social 7 points 9 months ago* (last edited 9 months ago) (1 children)

Obviously that'll be true with battery packs too. They're also significantly cheaper, so it's usually fairly reasonable to have multiple and them being at 50% capacity doesn't matter nearly as much.

[–] GluWu@lemm.ee 1 points 9 months ago

That's correct, I agree with you.

That requires this knowledge of how batteries work. Saying keep a battery pack and your phone at 100% could leave people in a situation worse than if they just used the battery manager to stop their phone at 85%. 99% of people will plug their battery pack in until it's full, stash it wherever they decide for emergencies, and will find a dead pack when they need it.