All guides · Battery · ios
Stretch iPhone battery life without guessing
Use Low Power Mode and iOS battery settings with intent, and read Maximum Capacity so you know when a battery is actually worn.
Easy8 min4.8 editorial · 190 reviews
Typical signs: iPhone dies mid-day, Unexpected shutdowns, Battery health warning.
Step 1 of 5
You will need: Settings app.
Open Battery Health
Go to Settings → Battery → Battery Health & Charging. Maximum Capacity is the cell's current capacity versus new. Below 80%, iOS may enable performance management and shutdowns under load become more likely.