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Free · no account needed

Get Battery Guru

The battery companion behind Battery Mentor, with real-time health, charging history, temperature and usage analytics for your Android device.

4.6 average rating 1M+ downloadsAnonymous & private

See it in action

Everything you need to understand your battery

Battery health

Estimated capacity and long-term wear, learned from your charging history.

Charging history

Every charge and discharge session: speed, power, temperature and capacity.

Temperature monitoring

Live temperature with 24-hour history and a customizable alarm.

Usage analytics

Screen-on vs screen-off drain, deep sleep, awake time and per-app usage.

Battery-level alarms

High-charge and low-battery alerts so you know when to unplug or charge.

Private by design

Anonymous analytics, no account required. Your data stays yours.

Where to get it

The app stores are the easiest option and keep Battery Guru updated automatically. You can also grab the APK straight from the developer if your device does not have Google Play.

Recommended

App stores

Automatic updates, one-tap install

  • Battery health, capacity & charge cycles
  • Charging & discharging history
  • Temperature monitoring & alarms
  • Widgets, always-on display & quick tile
  • Free, ad-supported - Premium removes ads

Direct download

APK from the developer, no store needed

  • The same full Battery Guru app
  • Great for devices without Google Play
  • Updated manually via APK