Simple Battery Monitor measure Battery Level, Temperature, and Voltage. (Battery Meter) Press "Start" button to start measuring Battery Level, Temperature, and Voltage. Real-time graph of Battery Charge Level(x), Temperature(y), and Voltage(z) is supported. Unit of Battery Charge Level is % (Percent). Unit of Battery Temperature is ℃ (Celsius). Unit of Battery Voltage is V (Volt) You can also watch Battery Level in Notification drawer and Status Bar Icon.