Battery Lab: Battery Info

Description

Want to know the real remaining capacity of your smartphone or tablet battery? Or maybe you’ve bought a new battery and want to check its actual capacity? Then this app is for you!

Battery Lab helps you:
- Measure the remaining battery capacity or check the real capacity of a new battery
- View battery capacity in Wh, charge cycles, temperature, and voltage
- Monitor charge/discharge current in real time
- Get notifications when the battery is low, reaches a certain charge level, or is fully charged
- Receive alerts when the battery overheats or gets too cold
- See charging current limit (if supported by your device)
- Display information in an overlay on screen

The app is optimized for minimal background power usage.

Before leaving a review or asking questions, please read the instructions and FAQ — most answers are already there.

Permissions explained:
• Storage access → for settings backup
• Draw over other apps → to display overlay information
• Launch at startup → so the app can auto-start after boot
• Run in foreground → required for:
- Battery info notification
- Logging charging history
- Sound alerts for power connection/disconnection
- And more features