EMAX Nano Series ESCs are developed for racing multicopters, based on BLHeli firmware and support OneShot125. They are compatible with Skyline32, Naze32, Pixhawk, CC3D and other mainstream Flight Controllers. They use authentic electronic components to ensure high quality and enhance the current endurance ability. Support Oneshot125, active..

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Firmware flash Tips: http://www.emaxmodel.com/blog/AmandaChen/   EMAX LIGHTNING 20A ESC:   1. The first BLHeli ESC with Synchronous Rectification hardware design in the market 2. Utilizes high-performance F396 MCU 3. Lightweight: 5.5g including power wires and signal wires / Small Footprint: 24.5*12.5*5.0 (mm)..