Floureon 2packs 3S 11.1V 800mAh 25C Lipo Battery for RC Quadcopter Airplane Helicopter Car Truck Boat Hobby Chemistry: Li-Polymer; Cells Number: 3S ;Voltage:11.1V ; Capacity: 800mAh Discharge Rate: 25C ; Charge Plug: JST-XH ; Dimension:2.07*1.17*0.82 inch; Weight: 2.1oz Compatible: for RC Airplane, RC Helicopter, RC Quadcopter, RC Car, RC Truck, RC Boat, RC Hobby Note: Ready-to-Run, Please select the right connector according to your original battery. All the FLOUREON products sold by SEVESTO comply CE, RoHS, MSDS, UN38.3 Certifications.