40A 2-6S ESC with 3.5mm Banana Connector

ReadytoSky 40A 2–6S OPTO ESC with 3.5mm Banana Connector for Drone & Quadcopter

The ReadytoSky 40A ESC is a reliable and high-performance electronic speed controller designed for drones, quadcopters, RC helicopters, and multirotor UAV applications. Built for smooth throttle response and stable power delivery, this ESC is ideal for users who need consistent motor control and dependable flight performance.

Supporting 2S to 6S Li-Po batteries, this ESC offers wide compatibility for different drone setups and power configurations. Its 40A continuous current and 45A maximum current capacity make it suitable for medium to high-performance multirotor builds. The OPTO design means it does not include a built-in BEC, making it ideal for custom or advanced flight controller power setups.

Lightweight and durable, the ReadytoSky 40A ESC is suitable for popular drone frames and RC platforms, offering the control and efficiency needed for smooth flight, better responsiveness, and reliable operation in demanding flying conditions.

Key Features

• 40A continuous current handling for stable motor performance
• 45A maximum current support for demanding flight conditions
• Compatible with 2S–6S Li-Po battery configurations
• OPTO ESC design without built-in BEC
• Provides smooth throttle response and efficient power control
• Suitable for drones, quadcopters, RC helicopters, and UAV builds
• Lightweight construction for improved flight balance
• Ideal for custom multirotor and aerial platform applications

Technical Specifications

Warranty Information

All products supplied by PartsBaba are genuine and original. We offer a 14-day replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.