2. 1. Bluetooth Connection Vehicle Battery Voltage 3. Battery Test 4. Cranking Test 5. Charging Test 6. Real-time Voltage Tap to view the real-time voltage of the vehicle battery. If Bluetooth is connected before you jump start a vehicle, a jump start report will be automatically generated when the vehicle is successfully started. Perform Battery Tests The JumpSurge app provides detailed instructions on how to test a battery. Thus, to perform a battery / cranking / charging test, simply follow the on-screen instructions. Note: The battery testing function is only applicable to 12V lead-acid batteries. 16