Battery Hero

Track your Android battery's health & performance

Battery health, live current, per-app usage and screen time in one app. Build your own home screen widget, set charge and overheat alarms and see what's draining your phone. Works on phones and tablets, in portrait and landscape.

Everything You Need to Understand Your Battery

Widget Studio

Build your own home screen widget. Pick a size from 1×1 to 4×2, drag in the stats you want, then choose the background, colors and text size.

Battery Widgets

Five ready-made widgets: classic, minimal, circle, screen time and battery temperature. Check your battery without opening the app.

Live Current Graph

Watch charging and discharging current second by second, with power and voltage. Look back over the last 8 or 24 hours.

Battery Health

See how much charge your battery holds compared with its design capacity, follow the trend month by month and count charge cycles.

Real-Time Dashboard

Battery level, time remaining, time to full, temperature and voltage on one clean screen, updated as you use your phone.

App Battery Usage

See which apps use the most battery, ranked by consumption, with how long each one ran in the foreground.

Screen Time Tracker

Daily screen-on time for the past week. Tap a day to see it hour by hour and which apps kept your screen on.

Charge History

Every charge is logged with its start and end level and how long it took, so you can see your charging habits over time.

Temperature & Overheat Alerts

Follow your battery temperature over time and get warned when your phone gets too hot. Choose how early the alert fires.

Alarms & Weekly Summary

Charge alarm, low battery alert and a weekly summary, with the thresholds you set and the alarm sound you choose.

Multi-Device Sync

Sign in with Google and check the battery of all your Android devices from one place.

Battery Tips

Tips based on your phone's settings, like brightness, dark mode and screen timeout, each with a one-tap shortcut to fix it.