New Upgrade Flight Lithium Battery 7500mAh 11.1V 3S Large Capacity Lithium Battery For Yuneec Q500/Q500+/Q500 4K/Q500+ PR - AliExpress
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 :
Amazon.com: cjc Battery Charger for Yuneec Q500, 3S Lithium Battery Smart Balance Fast Charger Digital Battery Pack Charger for Yuneec Q500, Q500+, Q500 4K RC Quadcopter with Connectors Power Supply Power Adapte :