Venom 35C 2S 10000mAh 7.4V LiPo Battery with Universal Plug (EC3/Deans/Traxxas/Tamiya) x4 Packs Battery Type: Lithium Polymer (LiPo) Battery Capacity: 10000mAh C Rate and Maximum Continuous Discharge (Amps): 35C (350A) Plug Type: Venom UNI Plug. Compatible with Traxxas Plug, Tamiya Plug, Deans Plug & EC3 Plug.