The smart battery shunt The SmartShunt is an all-in-one battery monitor, only without a display. Your phone acts as the display. The SmartShunt connects via Bluetooth to the VictronConnect app on your phone (or tablet) and you can conveniently read all monitored battery parameters, such as state of charge, remaining runtime, history information and much more. Alternatively, the SmartShunt can be connected and read by a GX device. The connection to the SmartShunt is made via a VE.Direct cable. The SmartShunt is a good alternative for BMV battery monitoring, especially for systems where battery monitoring is required but less wiring and mess is desired. The SmartShunt is equipped with Bluetooth, a VE.Direct port and a connection that can be used for the following: Monitoring a second battery, midpoint monitoring or a temperature sensor.