look at a 4 cell or two 2 cells. smc makes imo one of the best lipos out and their c-max 40c 4 cell is comming out soon and their 2 cell is out. thats the way i would go. go to smc thread and ask danny he's always happy to help.
also there is a thread in here on the batt just search smc 40c 4cell lipo
kyoslo RB5/ novak motors/ LRP sphere/ m11/ orion 4800,3800,3600/ blazin chronic racing/wphukuall radio/ raikkonen body/ mongoosed km-mini inferno with the multiplex red ass servo that owns johnny b-main and drew/ now at lir the JDM zx-5 sp mugen edition
"team bad guys"