Thunder Power RC 4200mAh 3-CELL/3S 11.1V G4 Pro Race 40C LiPo with TP Balance Connector Max Continuous Discharge: 4C Max Continuous Current: 168A Weight (grams): 373; Dimensions H x W x L (mm): 35. x 46.5 x 138 Large hard case pack for RC vehicles Adult supervision is required