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Can chargers really damage your smartphone? (www.androidauthority.com)

submitted 1 month ago by [email protected] to c/[email protected]

15 comments fedilink hide all child comments

cross-posted from: https://lemmy.world/post/20241961

Can picking the wrong charger damage your expensive new smartphone purchase? Here's the facts you need to know.

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[–] [email protected] 7 points 1 month ago* (last edited 1 month ago) (3 children)

Unfortunately the battery temp limits are often too high and let the heat at go really high which shortens the lifespan of the battery. If I let my Pixel fast charge as it pleases, I'd have drastically reduced battery capacity today. Instead I use USB-A to USB-C cables and older chargers to limit the charging current and therefore heat.

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

I know that with Samsung you can set up a 'routine' to disable fast charging according to a schedule you manually set. I don't think it goes all the way down to 5W but much slower than without the limiter

[–] [email protected] 6 points 1 month ago (1 children)

The pixel learns your charging habits and will auto slow charge

[–] [email protected] 9 points 1 month ago

No, it will fast charge to 80%, then restart charming just in time to hit 100% when your alarm goes off (or when it thinks you're going to wake up). There's no automatic slow charging other than thermal throttling.

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

Could you say more? What model pixel and what temp? I've never noticed mine getting hotter than a mild warmth.

[–] [email protected] 2 points 1 month ago (2 children)

I have a Pixel 8 and often use a generic 65W charger with it. The phone gets noticeably hot when charging more than 20%, I try to keep it between 40-80%.

[–] [email protected] 5 points 1 month ago

Maybe they should, gasp, include chargers with phones! What a concept...

[–] [email protected] 3 points 1 month ago* (last edited 1 month ago) (1 children)

Pixel 8 Pro here. It just did a bulk charge session at peak 5A, average 4.5A. That's nearly 1C. I didn't record the temp but just like yours it was noticeably hot. I only fast charge when I'm in a bind.

[–] [email protected] 4 points 1 month ago

That's the key.

That said, I've always bought ~2 year old phones. They usually have batteries at 85% life (or more).

I haven't had fast charging hurt one significantly yet, and I've used it a lot on some phones.

Of course, I avoid using it as much as possible. I use a slow charger (1A,max) overnight and it's on a timer. On rooted phones I use a charge limiting app.