Venom 40C 4S 3500mAh 14.8V Hard Case LiPo Battery with Universal Plug (EC3/Deans/Traxxas/Tamiya) Battery Type: Lithium Polymer (LiPo) Battery Capacity: 3500mAh C Rate and Maximum Continuous Discharge (Amps): 40C (152A) Plug Type: Venom UNI Plug. Compatible with Traxxas Plug, Tamiya Plug, Deans Plug & EC3 Plug. Plug Type: Venom Universal Plug System