What battery
Mattduran
Jeeper
For normal use either a standard truck battery or red top. If you have a winch I would go with a deep cycle. If your interested in hearing more related to this check out the link below.
http://www.jeep-cj.com/forums/f34/milemarker-winch-7204/
http://www.jeep-cj.com/forums/f34/milemarker-winch-7204/