GoolRC High Quality Upgrade Lipo Battery 11.1V 2500mah 20C for Parrot AR.Drone 2.0 Quadcopter Parrot AR.Drone 2.0 Quadricopter High Quality Upgrade Lipo Battery 11.1V 2500mah 20C Product type: Rechargeable lithium polymer battery Continous discharge rate: 20C MAX 30C Battery parameter: Parrot AR.Drone 2.0 Quadricopter High Quality Upgrade Lipo Battery 11.1V 3000mah 25C Battery capacity: 2500mah