Crazepony 2pcs Fullymax 1800mAh Lipo Battery Pack 4S 14.8V 40C for RC FPV Drone Car Boat etc Capacity: 1800mAh, voltage: 14.8V 4S Fullymax Professional LiPo Battery pack of 4cell Discharging rate: 40C, Max charging rate: 2C, Burst(3Sec): 80C Dimension: 26.5*35*102mm Weight: 200g