The real deal on the older models Older iPhones get a bad rap for battery life, but the truth is more nuanced than you’d think. Your iPhone 11 or 12 can still deliver decent performance if the battery health hasn’t tanked below 80%. Testing these models reveals surprising endurance under light use, though heavy gaming…
iPhone Battery Health at 80% — Replacement Signs & Performance Impact | Mend My iPhone Direct Answer: iPhone battery health at 80% is the threshold at which Apple recommends a battery replacement. At this point the battery holds only 80% of its original capacity, and iOS power management may automatically throttle processor speed to prevent…