Readytosky 20A 2-4S Mini BLHeli-S OPTO ESC for FPV Race RC Helicopter

If you are wandering to build a drone and dont know what will be the best ESC for you then worry no more, we have got your back. At Robu, we have everything for you to get started with your drone project. Readytosky 20A 2-4S Mini BLHeli-S OPTO ESC for FPV Race RC Helicopter used mainly for FPV Race RC Helicopter with great functional and high-performance and the max working frequency will be 50MHz. Built-in automatic protection of temperature sensor and this ESC is compatible with a 2-4S lipo battery . The ESC support BLHeli-S firmware Can easily upgrade the firmware or parameter online, also support all functions of Blheli_S. It can be programmed to set up the throttle etc. It also supports two-way mode and FPV 3D mode. Applications : Vehicles & Remote Control Toys For more 20A ESCs, Click here Related Article: OPTO ESC Features: Firmware:Blheli_S Wide Compatibility Lipo:2-4s Support the newest protocol of Dshot150/300/600 Support PWM, Oneshot125, Oneshot42 smaller size, lighter weight, and easy to build Stable performance support two-way mode and FPV 3D mode Built-in automatic protection of temperature sensor