Venom 30C 1S 400mAh 3.7V LiPo Drone Battery with Micro Losi Plug x2 packs Engineered for Flight, with "A" Grade Matched Cells 5C Fast Charge Capable: 5C (2A) C Rate and Maximum Continuous Discharge (Amps): 30C (12A) Plug Type: Micro Losi Proven US Support and Lifetime Battery Replacement Plan.