Guys,
If ya promise not to 'short' it out, I can lend you my 100ah camper van leisure battery...
It doesn't like constant high voltage pulls (so far anything over 4ah charging and my charger throws a wobbly), but keep 'em low and I reckon you'll be ok...
Let me know and I can bring the batt along on thursday night... Other than that I know Mr Mullany has one too, so maybe ask him 'nicely'...
Just let me know...
