I’ve found that disabling background sync for apps you rarely use can add up to 5 hours of extra battery life per week. Go to Settings → Accounts → Sync and turn off what you don’t need.
Battery Life Hacks
If your phone supports it, enable the “Battery Saver” mode during nighttime charging. It caps the charge at 80% which prolongs battery health.
Turn off haptic feedback for long‑press actions. It’s subtle but it saves a noticeable amount of power over time.