This is the 3S 9.9V 2600mAh 30C Hardcase LiFe Battery Pack from Venom. New $43.09 (13% off). Features: * LiFe (lithium iron phosphate LiFePO4) chemistry offers more usabl cycles than LiPo batteries, no low voltage cut off and highe charge rates. * Hard case construction is ideal for most electric powered 1/1 scale vehicles. * Venom Universal Four Plug System allows connectivity between today' four most common battery plugs, Tamiya, Traxxas, Deans and EC3 simply attach desired plug to Venom plug on battery's wire leads.