Xiongcai E3 motor control (ESC) with 400A, 12S, 54V Power System The Xiongcai E3 motor controller (electronic speed control, ESC) is packed with a potent combination of hardware and software advancements. This product is designed for high-level R/C car sport. 12S LiPo batteries, 400A continuous current, 54V, the power system will push your vehicles to their limit and beyond. MAYBE itâ??s the most powerful ever in motor control of R/C car and truck. Even Xiongcai E3 ESC is a power monster, it is still under control. For the safety, Xiongcai team designed excellent protection measures. a. Low voltage and over voltage protection. The ESC will monitor batteries all the time, once the voltage is lower than preset value, the power will be reduced immediately and be cut off in a few seconds. b. BEC voltage is optional 6v/7.4v/8.4v, up to your servo spec. c. The brake force and reverse force is programmable for enhancing drivability. d. Thermal management is meticulously designed. With the integration of a forged Al heatsink, the design maximizes the airflow throughout the system and cool down critical components, keeping your vehicle working at optimal condition. You can tune the parameters of ESC for different driving condition, from rugged terrains to pavement, off-road or on-road, Xiongcai E3 ESC will promote the performance to a new level. Xiongcai Tech has been specializing the motor controller (electronic speed control or ESC) design and manufacture for 15 years, and committed to promoting drivability of R/C model cars. Xiongcai team is capable of excellent RD ability and committed to creating powerful reliable motor control, if you have any special requirements on your motor control, we will help you achieve your ideas.