Bias 50C 4S 5000mAh 14.8V LiPo Hard Case Battery UNI Plug (EC3/Deans/Traxxas/Tamiya) for RC Car, Truck, Buggy, Boat, Heli, and Drone Engineered with "A" Grade Matched Cells for Unrivaled Performance at a Budget Friendly Price. Spend Less Time Charging and More Time Playing. 3C Charge Capable for Significantly Faster Charging. Fits Select Traxxas, Associated, Duratrax, and Many Other Popular RC Cars and Trucks. Plug Type: Venom UNI Plug. Compatible with Traxxas Plug, Tamiya Plug, Deans Plug, and EC3 Plug. Backed with Proven US Support and Bias Limited Warranty Plan.