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







Natural White PLA PRO+
Single-Sided 2.54mm Hole Pitch FR-4 PCB Tinned BoardSingle-Sided 10x15cm Universal PCB
NEO 7M GPS Module NEO 7M GPS With Compass for APM 2.6/2.8 and Pixhawk 2.4.6/2.4.8
Raspberry Pi 5 Single Board Computer with 2.4GHz quad-core, 64-bit Arm Cortex-A76, and LPDDR4X-4267 SDRAM 4GB
Crystal Clear PLA PRO+
Reviews
There are no reviews yet.