Thunder Power RC 4200mAh 2-CELL/2S 7.4V G4 Pro Race 40C LiPo Battery with TP Balance Connector Max Continuous Discharge: 4C Max Continuous Current: 168A Weight (grams): 244; Dimensions H x W x L (mm): 23.5 x 46.5 x 138 Standard hard case pack for RC vehicles Adult supervision is required