[jampot]

basically ive put a tank in the van and im using the trolley as a van system, i have heard split reley (i think) to charge the battery up in the van,
i want to charge the battery on the trolley in the van, how do i do this?
what do i need?
and does there have to be certin amps/volts?
and have you got a diagram on how to set up?
as much info as possable
 

[clean]

Hi jampot,
as far as i am aware i think this is what you need
http://www.maplin.co.uk/module.aspx?TabID=1&criteria=usb&ModuleNo=37767&doy=search&C=SO&U=Strat15
,instructions should come with it 

[jampot]

star man clean