Features: TATTU professional LiPo battery: superior Japan and Korea Lithium Polymer raw materials Quickly Recharged: long cycle life (150 times minimum), up to 200Wh/kg energy density. Stable and large capacity: stable automatic stacking technology enables single cell capacities of 450mAh. Suitable for multiple quadcopters: can be used for drones with the same size, voltage and connector batteries. Safety: All TATTU LiPo are packed with vibration-proof fire-proof material and our luxury battery box ensuring you get your battery in perfect condition.