Bias 50C 2S 5000mAh 7.4V Sport Power LiPo Battery with UNI Plug (EC3/Deans/Traxxas/Tamiya) for RC Car, Truck, Buggy, Boat x2 Packs Battery Type: Lithium Polymer (LiPO) Battery Capacity: 5000mAh C Rate and Maximum Continuous Discharge (Amps): 50C (250A) Plug Type: Venom UNI Plug. Compatible with Traxxas Plug, Tamiya Plug, Deans Plug & EC3 Plug.