I too would prefer the battery under the seat to keep weight low.I decided to make good use of the space under the seat though:
Link:
Clicky
I also keep a tire plug kit under the passenger seat so all my air/tire repair is able to store under the seat, not bad!
Steve
THAT is something I need. I have a flat repair kit, but no pump! Great, I can plug the hole in the tire, but then what???
Is that a powerlet plug or regular cigarette lighter? I did notice that it looks like you could just use the SAE connector for a battery tendor as well.