Amazon.co.jp: Gifi Power YUNEEC Q500 Battery 11.1V 7500mAh 3S LiPo Battery for YUNEEC Typhoon Q500, Q500+, Q500 4K Typhoon G RC Drone : Toys & Games
Amazon.com: 7500mAh 3S High Capacity LiPo Battery, 11.1V Extra Flight Time for YUNEEC Q500 / Q500+ / Q500+PRO / Q5004K / Yuneec Q500 4K Typhoon G RC Dr Quadcopter -2Pcs Black :