Presenting Drone 20A 2-4S Mini BLHeli-S OPTO ESC for FPV Race RC Helicopter. 20A 2-4S Mini BLHeli-S OPTO ESC 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
Package Includes:
1 x 20A 2-4S Mini BLHeli-S OPTO ESC for FPV Race RC Helicopter
F450 F550 / Q450 Q550 Replacement Arm Red (220mm) – Made in INDIA 
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