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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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[–] solrize 9 points 3 weeks ago (1 children)

Check ifixit before you buy a phone, to make sure diy battery replacement is not too difficult. Then you don't have to worry as much. Just figure on a swap or two during the phone's lifetime.

Other than that, keep charge level between 20% and 80% as someone said. But I think in that range, it's ok to fast charge within reason.

Supposedly starting in 2027, all phones sold in EU will have user replaceable batteries.

[–] TheGrandNagus 8 points 3 weeks ago* (last edited 3 weeks ago) (2 children)

Supposedly starting in 2027, all phones sold in EU will have user replaceable batteries.

Unfortunately, while the law is certainly an improvement, it's not as good as the headlines have misled people to believe.

Anybody who thinks they'll be popping the back off their phone and changing the battery like it's 2006 will be disappointed.

The law stops the most egregious stuff (like glueing the battery down excessively in a way that requires specialised tooling to remove), but that's about as far as it goes.

A confident tinkerer shouldn't have an issue. But it's a far cry from what many seem to think the law is.

There are also exceptions. If you guarantee the capacity being over X (I can't remember what the law stipulates) after 3 years, the battery doesn't have to be removable. And IIRC, it's not a particularly ambitious amount. Like 74% or something.

[–] solrize 5 points 3 weeks ago

I think everyone likes to glue down batteries now because that helps the phone's drop protection. The adhesive strips aren't so bad since you can heat them a little / use a spudger to get the battery out. It's worse when they make it very hard to get to the battery, or make you unglue delicate parts like the screen. You are probably right to be pessimistic though.

[–] [email protected] 3 points 3 weeks ago (1 children)

I've found it remarkably difficult to replace a battery in a modern smartphone, even as someone who's quite handy with electronics. Any improvement is greatly welcome, and I wish we'd do more to make it easier.

[–] TheGrandNagus 1 points 3 weeks ago

It's definitely a welcome improvement!

I just don't want people to get their hopes up too much thinking we're in for a truly radical change across the industry