4 cell Lithium Polymer 3000mAh battery pack. 15C continuous discharge rate of 45 amps with 60 amp bursts in accordance with our "Real Flight Rating" method. Please see our "Real Flight Rating" method that describes more specific use of "burst" discharge rates with our Li-Poly cells. Size: 28mm x 48mm x 140mm - 370 grams

V2 packs in this model are shipping now!