Venom 1600mAh 11.1V LiPo Battery for Parrot Bebop and Skycontroller x4 packs Engineered for Flight, with "A" Grade Matched Cells 5C Fast Charge Capable: 5C (8A) C Rate and Maximum Continuous Discharge (Amps): 20C (32A) Plug Type: Mini Tamiya Proven US Support and Lifetime Battery Replacement Plan.