Android 12 betas have shown off a bunch of new features, among them are some changes to how your phone will handle fast charging — including throttling it due to high temperatures. Thankfully, Android 12 beta 5 will warn you about that.
First spotted in code by 9to5Google (opens in new tab), Android 12 will flash up a notification explaining it has to “limit charging to preserve battery health” when your phone starts to get too hot.
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Heat and batteries don’t really go together, and the hotter your battery gets while it’s recharging the worse it is for overall battery health. Poor battery health reduces capacity, and over time you’ll start noticing a loss of battery life.
So while you may want your phone to recharge faster in certain situations, it could be detrimental to its longevity. Which is why previous Android 12 betas introduced the throttling feature in the first place.
The key difference here is that your phone is now warning you about what’s going on. The feature also includes a ‘learn more’ button redirecting you to a support page (opens in new tab) about what Pixel phones do when they’re starting to overheat.
Previous Android 12 builds introduced a feature that caps charging at 80% if a phone is plugged in for long periods of time. General advice given to people hoping to prolong battery degradation is to keep charge between 80% and 20%. Anything more or less and you wind up with too many lithium ions on a single side of the battery, which causes strain and increases the speed of degradation.
However, the details on how this throttled charging is going to work aren’t entirely clear. The phone could continue charging, albeit at slower speeds, or it could halt entirely until the phone starts to cool down. It’s also not clear whether that 80% cap would also come into play in these circumstances.
Hopefully we should be able to find out pretty soon. Not only is Android 12’s full release coming pretty soon, we are still experiencing summer temperatures. And with the overheating issues (opens in new tab) reported on the Google Pixel 5a, it’s likely a lot more beta users are going to end up with this notification sooner or later.
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