2 cell Lithium Polymer 4400mAh battery pack. 10C continuous discharge rate of 44 amps with 66 amp bursts. "These packs are designed to be used and fit perfectly in 1/10 scale RC Cars The cells are protected in a hard plastic case to reduce the chance of damage in the event of a crash. They have a balance connector flush mount terminal and extension cord for easy balancing. 24mm X 43mm X 135mm - 244 grams

V2 packs in this model are shipping now!