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Healthiest way to charge Lithium Ion (self.technology)

submitted 3 weeks 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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[–] capital 3 points 2 weeks ago (1 children)

Plenty of good answers here already. Just want to add a funny anecdote.

I’ve had the same USB charging brick for years, using it for different phones throughout that time. When I check the battery settings when it’s plugged in it “warns” me that I could be charging at a higher rate if I plug into a higher amperage charger. Yeah… I know. I WANT to charge slowly. It’s gonna be plugged in all night, what do I care?

I’ve had my phone for a year, 165 charging cycles, and it says it’s still at 100% health. I do cap charging to 80% and that hasn’t been an issue for my day-to-day usage.

[–] root 3 points 2 weeks ago

Exactly this. Everyone focuses on how fast you can charge a phone, but 99% of the time I’m charging over night and would prefer a slower charge.

I just capped mine to 90%, if that goes well I might go down to 80.