Upgrade existing AGM batteries and associated systems & AC-DC chargers to Lithium LiFePo4 with advanced battery monitoring. Installation of 2000W Enerdrive inverter with automatic changeover between mains and inverter power. Upgrade rooftop solar from 150w to 500w, with capability to attach additional portable solar if required. Installation of a wireless IR remote and HDMI splitter solution to allow reception and remote operation of the in-van satellite receiver from the external entertainment hatch.