the.com/iphone batteries
a lithium slab that ages like milk, not wine, and apple would rather you not think about it.
means the rechargeable lithium-ion cell powering an iphone, which chemically degrades a little every charge cycle whether you like it or not.
from apple adopted lithium-ion for the original 2007 iphone because it packed more energy per gram than anything else small enough to fit a phone, inheriting decades of laptop and camcorder battery research.
cycle ratingrated for about 500 full charge cycles
batterygateapple throttled old iphones, admitted it in 2017
health metricios shows max capacity percentage under settings
heat damagedegrades faster in hot cars than daily use
for instance
iphone 6s throttling — 2017 apple slowdown scandal, cost apple 113 million dollars
battery health feature — introduced in ios 11.3 after public backlash
right to repair fights — iphone battery replacement rules central to 2022 state bills