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

submitted 10 months ago by otter@lemmy.ca to c/technology@lemmy.world

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[–] GluWu@lemm.ee 6 points 10 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 10 months ago* (last edited 10 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 10 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.