Yuneec Q500 Series 3S 6000mAh 11.1V RC Drone LiPo Battery x2 packs by Venom Engineered for Flight, with "A" Grade Matched Cells 3C Fast Charge Capable: 3C (18A) Battery Capacity: 6000mAh C Rate and Maximum Continuous Discharge (Amps): 10C (60A) Proven US Support and Lifetime Battery Replacement Plan.