Google Pixel

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Google will gradually reduce Pixel 9a battery capacity on purpose as it ages (www.androidpolice.com)

submitted 1 week ago by neme@lemm.ee to c/googlepixel

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[–] darcmage@lemmy.dbzer0.com 2 points 1 week ago (1 children)

Is there any data showing the real world effects of high speed (>60W) charging compared to the normal Samsung/Google approach after multiple years?

I've always limited my charges to 80% but I've heard the argument that phones that charge quickly stay warm for a shorter period of time which lessens the potential negative impact of that kind of charging.

[–] Cadende@hexbear.net 3 points 1 week ago

high speed charging is a separate issue to charge voltage.

I don't have data at hand, but it is generally easier on lithium ion batteries to charge (and discharge) slower. I believe compared to charge voltage, that is a relatively small effect assuming the product is designed for it and manages things like heat. In a product where heat is poorly managed and builds up during slow charging, all bets are off I suppose

charge voltage on the other hand has a well studied effect on battery longevity. reducing the max charge voltage (or increasing the minimum discharge voltage), can extend the number of cycles the battery will last without degrading in a huge way, more than doubling cycle count (depending on where those limits are set, ofc.