Venom 50C 4S 1300mAh 14.8V Drone Racing LiPo Battery with Universal 2.0 Plug (XT60/Deans/EC3) x2 packs Engineered for Flight, with "A" Grade Matched Cells 5C Fast Charge Capable: 5C (6.5A) C Rate and Maximum Continuous Discharge (Amps): 50C (65A) Plug Type: Venom UNI 2.0 Plug. Compatible with XT60 Plug, Deans Plug & EC3 Plug. Proven US Support and Lifetime Battery Replacement Plan.