Battery monitoring via Bluetooth.
With the Battery-Guard and Apple or Android App, you can check your battery’s state of charge quickly and easily. Because only with a fully charged vehicle battery can you be sure to avoid getting stuck.
> Several vehicles can be monitored
> Easy install to the battery
> Monitoring of 6, 12 and 24 volt batteries possible
> Power consumption is only about 6-24 MW
> Reverse-polarity does not cause damage to the transmitter or battery
> App compatible from iPhone 4S, Android 4.3 or Windows 10