Peek behind the refrigerator. Outside vent has been plugged with foam insulation. None of this stuff needs to be accessable.
Electronics consist of:
280ah LiFePo4 battery with Bluetooth BMS
Trickle charger for starting batteries
Xantrex freedom 1800 HF
Charge relay for alternator charging
Xantrex HF is 1800w inverter, 40A house battery charger, and AC bypass relay.
Xantrex inverter function is used only for water heater under the sink. There is a smaller inverter accessable outside of the cabinets.