Manual - SmartShunt IP65 2.5. Accessories These optional parts might be needed depending on your setup: Temperature sensor for BMV - to measure the battery temperature. GX Device, such as a Cerbo GX - for system and/or remote monitoring. VE.Direct cable - to connect the battery monitor to a GX device. VE.Direct to USB interface - to connect to the battery monitor via USB to a GX device or to the VictronConnect app. Page 3 Introduction