Bias LiPO Battery for Traxxas Rustler 25C 2S 5000mAh 7.4V LiPO Hard Case w UNI Battery Type: Lithium Polymer (LiPo) Battery Capacity: 5000mAh C Rate and Maximum Continuous Discharge (Amps): 25C (125A) Battery Volts: 7.4V Plug Type: Venom Universal Plug System