1. No separate battery monitor required.

2. Wirelessly connects to each battery in your phone.

3. Tracks the cycle life of each battery.

4. Displays SOC, voltage, charge and discharge current, cycle life, battery voltage, and temperature.

5. Requires a Bluetooth 5.0 phone with Bluetooth Low Energy.

6. Operating distance: About 15 meters

7. If you want to connect this battery to another phone, exit the app on the first phone.