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Why Charging Your Gadgets Over 80% Is Such a Bad Idea | iFixit News
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This is a most excellent place for technology news and articles.
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.
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.