Venom 70C 1S 6300mAh 3.7V LiPo Hard Case Battery with Universal Plug (EC3/Deans/Traxxas/Tamiya) x2 Packs Battery Type: Lithium Polymer (LiPo) Battery Capacity: 6300mAh C Rate and Maximum Continuous Discharge (Amps): 70C (441A) Plug Type: Venom UNI Plug. Compatible with Traxxas Plug, Tamiya Plug, Deans Plug & EC3 Plug.