Venom 50C 2S 4500mAh 7.4V Saddle Pack LiPo Battery ROAR Approved with Universal Plug (EC3/Deans/Traxxas/Tamiya) Battery Type: Lithium Polymer (LiPO) Battery Capacity: 4500mAh C Rate and Maximum Continuous Discharge (Amps): 50C (225A) Plug Type: Venom UNI Plug. Compatible with Traxxas Plug, Tamiya Plug, Deans Plug & EC3 Plug.