Venom 20C 3S 2200mAh 11.1V LiPo Battery with Universal Plug (EC3/Deans/Traxxas/Tamiya) x4 Packs Battery Type: Lithium Polymer (LiPo) Battery Capacity: 2200mAh C Rate and Maximum Continuous Discharge (Amps): 20C (42A) Plug Type: Venom UNI Plug. Compatible with Traxxas Plug, Tamiya Plug, Deans Plug & EC3 Plug. Backed with Proven US Support and Venom's Industry Leading Limited Lifetime Warranty.