Powerextra Upgrade 11.1V 6300mAh LIPO Battery Pack for Yuneec Typhoon Q500, Q500+, Typhoon 4K, Typhoon G RC Quadcopter and Q500 Gopro Multicopter Drone With 6300mah of power you can expect more extend flight time. Battery type: lithium polymer (lipo); battery power: 11. 1v 70wh; continuous discharge current: 50. 4a. Advanced charging and fail-safe circuitry built-in, protection against overcharge, short circuit and over discharge. 100% compatible with yuneec q500 series quadcopters and q500 charger. 24 hours friendly customer service, 30 days money-back guarantee and 1 year limited warranty!