ThNks I'll give it a go 
Do a search on ebay for 'ipod 5v adapter' - you'll see a gaggle of them ...the link says that's £29.99 is there another alternative like re wiring or another adaptor?

Leon_in_uk said:coming to think of it i forgot to disconnect the battery and the 3 wires touched each other and fumes came off them!!
do you think this would blow a fuse then?