Install BAT Check from the iOS App Store.

Open BAT Check and click "English" on the top right.

Enable Bluetooth. Press the orange button to refresh.

Select the name as seen on the battery tag. The app will connect.

Check your battery life, usage, and other useful statistics here!

Install BAT Check from the Play Store on any Android device.

Open BAT Check and click "English" on the top right.

Enable Bluetooth. Press the orange button to refresh.

Select the name as seen on the battery tag. The app will connect.

Check your battery life, usage, and other useful statistics here!