Description
Description:
The Readytosky 20A 2-4S Mini BLHeli-S OPTO ESC is a compact and high-performance electronic module integrated into the power distribution system of a drone. It is designed to provide precise control over the speed and performance of the drone’s motors. The “OPTO” designation typically means that this ESC lacks a built-in Battery Eliminator Circuit (BEC) to regulate and supply power to the flight controller and other onboard electronics. Instead, it’s designed to be used in setups where power distribution and regulation are handled separately.
Specifications:
- Model: 20A BLHeli-S OPTO ESC
- Suitable Lipo Batteries: 2 ~ 4S
- Continuous Current: 20A
- Peak Current(10s): 25A
Features:
- Readytosky 20A ESC supports the newest protocol of Dshot150/300/600
- Support PWM, Oneshot125, Oneshot42
- smaller size, lighter weight, and easy to build
- Readytosky 20A ESC has a stable performance
- Built-in automatic protection of temperature sensor
- Readytosky 20A ESC supports two-way mode and FPV 3D mode
Package Included:
1 x Readytosky 20A ESC 20A 2-4S Mini BLHeli-S OPTO ESC for FPV Race RC Helicopter






Bambu Lab X1 – Carbon Combo 3D Printer
Crystal Clear PLA PRO+
E88 PRO RC Drone Without Camera 2.4G 4CH RC Foldable Quadcopter E88 PRO 360° Rolling Stunt Drone Smoothest Flight Controls To Perform Impressive Aerial Stunts
EMAX MT2213 935KV Brushless DC Motor - Red Cap (CCW Motor Rotation) With 1045 Propeller Combo (Original)
Reviews
There are no reviews yet.