Charge & discharge estimates

See how long until your phone is fully charged, and how much screen time you have left.

Home screen widgets

Classic: Large battery percentage with time-to-full or time-remaining, plus charging status.
Minimal: Clean transparent design showing just the percentage — perfect for minimalist home screen setups.
Circle: A color-coded progress ring with the battery percentage centered inside.

Battery health tracking

See your current capacity as a percentage of the original. For the most accurate reading, check it at 100% charge.

Multi-device sync

Sign in with Google to track battery across all your Android devices in one place.

Custom notifications

Unplug reminder: Choose any target between 50% and 100% and get notified the moment your phone reaches it.
Low battery alert: Set your own threshold anywhere from 5% to 40%.
Overheat alert: Get warned when your phone exceeds a temperature level you choose.

Other useful features

Battery temperature charts, drain rate tracking, per-app battery usage, weekly summaries, optimization tips, support for 27 languages, RTL support, light/dark themes.

The app is free and does not have ads! So please give it a try and leave your feedback or feature requests. Thank you!

Play Store: https://play.google.com/store/apps/details?id=redpi.apps.batteryhero