Welcome to BGW
here read this, and then see if you want to do it,
http://www.buggiesgonewild.com/elect...batteries.html
it can be VERY dangerous working with batteries, you dont want any battery acid on your skin. or in your eyes, make sure IF you try this, read alot more about it, before you try it, and get all the proper gear to attempt this, safty frist
http://www.buggiesgonewild.com/elect...batteries.html