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Yeah i think the throttling starts at the 80% mark. It should be ok for now.
It starts in the high 80s, I’ve seen it before and it’s doing it now at 86% for me, if you are already seeing shutdowns then it should already be slowing itself down to try and prevent that.

Mine states in the Battery Health/Peak Performance Capability “Your battery’s health is significantly degraded and peak performance may be effected” and I’ve seen that for a few percent already and I can definitely see some less smooth animations and other stuff that suggests the OS is slowing the chips down to save power draw and stop the risk of shutdowns.
 
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It starts in the high 80s, I’ve seen it before and it’s doing it now at 86% for me, if you are already seeing shutdowns then it should already be slowing itself down to try and prevent that.

Mine states in the Battery Health/Peak Performance Capability “Your battery’s health is significantly degraded and peak performance may be effected” and I’ve seen that for a few percent already and I can definitely see some less smooth animations and other stuff that suggests the OS is slowing the chips down to save power draw and stop the risk of shutdowns.
I can't say I've noticed any performance loss or maybe I just got used to it. Definitely am not experiencing any shutdowns. I do however notice the battery not getting me through the day like it used to. I would pretty much never hit the 20% mark but do almost everyday now.

This is what my battery health screen shows

BE5A9F05-D12F-42CD-AE09-A19D07DFF3D4.jpeg
 
I can't say I've noticed any performance loss or maybe I just got used to it. Definitely am not experiencing any shutdowns. I do however notice the battery not getting me through the day like it used to. I would pretty much never hit the 20% mark but do almost everyday now.

This is what my battery health screen shows

View attachment 1834655
Ah, apologies, I saw someone said their phone was shutting down and mixed it up with you. But yeah it can vary battery to battery. Mine is just burning through its charge now and getting quite warm, just hope it lasts till I get the 13 Pro.
 
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I consider myself fortunate... My iphone 11 Pro model still shows 100% capacity after more than a year. I definitely do not have a need to upgrade. I love the long battery life.

I've probably had my iphone 11 pro for about 18 months and my battery capacity is 83%.... i went with the iphone 13 pro max, so I'm hoping that blows the battery life out of the water.
 
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