iPhone battery stays at 100% after owner stops charging in car
Updated
Updated · ZDNet · Apr 30
iPhone battery stays at 100% after owner stops charging in car
5 articles · Updated · ZDNet · Apr 30
The ZDNET author said an iPhone 17 Pro Max remained at 100% battery health after 196 recharge cycles and 216 days, after dropping the habit.
He said car charging repeatedly made the phone run hot and sometimes triggered Apple's "Charging on Hold" mode, while a previous iPhone became frustrating to use before two years.
Apple says batteries work best at 0C to 35C and can suffer permanent capacity loss above 35C; the author now charges in cars only sparingly, using shade, air vents and cooled chargers.
Why do EV batteries last a decade while car charging can destroy an iPhone's battery in just two years?
Are Apple's tips a workaround for a design flaw that makes iPhones overheat when charged in cars?
With cooling tech now in chargers, are car makers lagging behind in protecting our expensive phones?