When the 12V auxiliary (house) battery has a healthy charge [11-14V] the following equipment will operate:
- fridge
 - house lights
 - water pump
 - house radio/stereo if fitted
 - toilet flush
 - rangehood
 - house USB ports
 
along with the ignition for the water heater, diesel heater and electric hob for campers where fitted.
The following require a 240V power connection to operate:
- electric jug
 - toaster
 - microwave
 - 240V electric sockets
 - reverse cycle air conditioner for campers in AU that feature it