“30A Electronic Speed Controller (ESC) with Bullet Connectors for smooth and efficient motor control. Ideal for drones, RC planes, and quadcopters. Features fast response, high efficiency, and reliable performance.”
The EMAX BLHeli 40A ESC is a high-performance brushless speed controller designed for multirotors and RC drones. It supports 2S–6S LiPo batteries and comes pre-flashed with BLHeli firmware, enabling ultra-smooth throttle response, programmable features, and rapid motor sync. Ideal for medium to heavy-lift drones, racing quadcopters, and DIY UAV builds.