Before I closed it all up I decided to fit a powerlet usb power cable as follows....
Under riders seat, unclip relay book and lift out of way
Remove 3 screws on battery cover
Remove battery cover
Remove ground/black terminal from battery
Remove positive/red terminal from battery
Connect powerlet red terminal
Connect bike red terminal
Connect powelet black terminal
Connect bike black teriminal
Put battery cover back on
Put relay back into clips on battery cover
Route cable up to boot
Cable is 60 inches long, only needs to be 6 really
