Axpert KS 3Kva inverter, 2 x 105Ah Silver Calcium Exide batteries, sub DB feeding all lights and dedicated plugs for PC, TV, Amp etc.
Max load = 600W + 1400W for a few minutes to boil water in the microwave.
Installed WatchPower on a old netbook I had lying around, USB connection is plug and play and was surprised how easy it was to setup email for fault warning.