Hitec RCD 59048 Energy Sport 50 Amp 3.5mm Bullet Smooth Linear Throttle Response ,Thermal Overload Protection ,Signal Loss Protection Low Voltage Cutoff, Pre-wired with Standard Battery & Motor Connectors, User Friendly Optional Programming Card, Hate's Legendary Customer Service and Warranty Continuous / Burst Current Rating: 50A / 60A, Battery / Cell: 5-18N / 2-6Li, BEC Output: 5.5V / 5A