Yup went and got me the 1/24 scale sumo truck. Wondering if i would like a 120 mah airplane 1s lipo in it will that overpower the unit or would 2 since it would then be about 7.4 volts where it currently is 6 volts with 4 aa at 1.5 volts each.

http://cgi.ebay.com/EFLB1201S-E-flit...item4aa6fb4945

is the type i was thinking of using.