This Gens Ace Bashing Pro 3S LiPo Battery Pack 120C comes equipped with a EC5 plug and is suitable for Arrma 1/7, 1/8 and 1/10 scale models. With a maximized discharge rate of 120C this battery pack provides all the power you will need. Package includes one 3S LiPo battery. ( Dimensions (LxWxH): 157x48x32mm )