Thunder Power RC 2250mAh 3-Cell/3S 11.1V G6 Pro Power 65C LiPo Battery Max Continuous Discharge: 65C Max Continuous Current: 146A Weight (grams): 189; Dimensions H x W x L (mm): 26 x 35 x 12 Ideal high performance battery for T-Rex 45 and other similar class helis Adult supervision is required