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Healthiest way to charge Lithium Ion (self.technology)

submitted 1 month ago by root to c/technology

33 comments fedilink hide all child comments

When charging a phone wirelessly, there is sometimes significant heat generated. That combined with higher charging rates that are now coming out with the Qi 2 standard make me wonder what the ideal charge for the battery would be.

Most of the time I just toss my phone onto a wireless charger before bed, and don’t really care how quickly it charges. Would it be better to use a 5W brick with a charging pad? Should wireless be avoided and usb used instead?

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[–] [email protected] 1 points 1 month ago

The healthiest is to enable the option to only charge to 80% (or near there, depending on the phone you have).

Otherwise slower charging is better, if the wireless charging doesn't make the phone hotter than say 30C or so I wouldn't worry about using it. 45C is the limit for charging Li-ion safely, but it's better to be cooler.