Victron marine battery switch:
This battery master switch features terminals and heavy duty plastic construction, making it ideal for marine applications or automotive requirements where the switch is exposed to the weather.
 
Features:
- Unique ergonomic and aesthetic knob design
- Knobs removable for isolation / safety
- Surface or panel mounted options provides flexibility when installing
- Meets ISO8846 ignition protection, suitable for use in engine room
- Suitable for applications up to 48VDC
- 275A max continuous current
- 450A one minute rating
- 1200A cranking rating

When the CAN bus is not powered by a Skylla-I or a MPPT, you will need the new VE.Can Power Cable to supply the power.