this post was submitted on 19 Sep 2023
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iPhone 15 can limit battery charge to 80%. Does this mean there’s now battery passthrough? (www.macrumors.com)
submitted 1 year ago by hermes2000@infosec.pub to c/apple_enthusiast@lemmy.world
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I limit my laptop battery charge to 80% with a third party software tool. Laptops can generally bypass the battery and directly power themselves from the wall.

Does this new 80% battery limit setting imply that the new iPhones are able to do the same? Implication would be less battery wear while docked on a desk/in a car or due to long “AAA” gaming sessions, since it will draw power direct from the wall rather than using the battery as a middleman.

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[–] NotMyOldRedditName@lemmy.world 13 points 1 year ago (3 children)

Apple has the same feature on their laptops, but it's "AI" driven so it can decide for you if you want 85% or 100%. Except it's a fucking joke and almost always charges it to 100% and they don't give you a way to say fuck the AI let me decide.

The worse it is, the more money they make on battery replacements.

[–] Onse@lemmy.ml 9 points 1 year ago (1 children)

For me it’s even worse: it will charge to 80% during the times I’m working. So, when I unplug the MacBook to work somewhere off a power source, I’m left with 80%. Then, when I finish my work day, it immediately charges to 100% and stays that way until the next morning. It’s the complete opposite of what makes sense.

[–] deleted@lemmy.world 6 points 1 year ago

The AI knows what’s good for you. It’s a sign to have more work life balance. /s

[–] ccunning@lemmy.world 6 points 1 year ago (1 children)

That sounds like the same “Optimized BatteryCharging” option already available on older iPhone models.

[–] deleted@lemmy.world 1 points 1 year ago

I believe this would slow down charging until you need it.

I unplug my phone like 8am every weekday so when I charge at night it says it will charge slowly past 80% until 7am instead staying at 100% from 12am to 8am.