Hope I can get some advice we are at present having a Vantage max built at Vantage Motorhomes in Leeds we will in the winter get electric bikes ,the motorhome comes with 2x100amp batters and a 100w pv we at present have not had the inverter added they will fit a 800w for £350.00 do you think this will be ok to keep the bikes charged when of grid we are also thinking of bosch cycles that I think you can charge of the lighter socket.