10 Reasons Your iPhone Battery Drains Fast (And How to Fix Them)

Background App Refresh

Apps often run in the background to update content, sync data, and send notifications. While convenient, this uses battery constantly. Fix: Go to Settings → General → Background App Refresh and turn off apps you don’t need running all the time.

• iOS Updates and Reindexing

After a major iOS update, iPhones may reindex files, photos, and apps, which can temporarily increase battery drain. Fix: Allow your iPhone a few hours to complete reindexing. If battery drain persists beyond 48 hours, check for app updates.

• High Screen Brightness

Keeping your screen brightness high or leaving Auto-Lock too long consumes extra battery.Fix: Enable Auto-Brightness and reduce screen brightness. Set Auto-Lock to 30–60 seconds.

• Location Services

Apps using GPS constantly, like Maps or social media, drain your battery quickly. Fix: Go to Settings → Privacy → Location Services and restrict apps that don’t need location data.

• Old or Aging Battery

iPhone batteries degrade over time. If Battery Health shows below 80%, it won’t hold charge as well.

Fix: Consider replacing the battery. Professionals can, offer quick battery replacements.

Read more about causes and solutions here

• Too Many Notifications

Every notification wakes your phone and lights up the screen, which consumes power. Fix: Turn off unnecessary notifications in Settings → Notifications.

• Poor Charging Habits

Using cheap chargers, charging overnight constantly, or letting the battery drop to 0% can shorten battery life. Fix: Use certified Apple chargers and avoid letting the battery fully discharge frequently.

• Widgets and Live Backgrounds

Widgets update constantly and live wallpapers consume extra power. Fix: Limit widgets to essentials and avoid animated wallpapers.

• Heavy App Usage

Gaming, streaming, or using apps like TikTok and YouTube for extended periods drains battery quickly. Fix: Take breaks, reduce brightness, and use Low Power Mode during heavy use.

• Overheating

Phones that get hot during charging or heavy use degrade battery faster. Fix: Keep your phone out of hot environments, remove cases while charging, and avoid direct sunlight.

Final Tips to Improve Battery Life

• Enable Low Power Mode when needed

• Close unused apps running in the background

• Update apps and iOS regularly

• Get a professional battery check if your phone is old

If your iPhone battery continues to drain quickly despite trying these tips, it might be time for a professional diagnosis. At Erepair N Spares in Papakura, we offer free battery diagnostics and same-day replacement.