2-4S 40A Brushless ESC With 5V 3A BEC For F450 S500 ZD550 RC Helicopter Quad Copter 4 Pack Easy Install High Adaptive Performance And Precise Throttle Control For Hobby Drones

High-Performance 40A ESC for 2-4S Drones, 4-Pack
✔️ 40A ESC for 2-4S with 5V/3A BEC, ideal for F450/S500 quads, 4-pack

These 40A brushless ESCs are compact, high-current controllers designed for hobby drones and RC helicopters. They’re commonly used on F450, S500, and ZD550 platforms to deliver precise throttle control and reliable motor drive.

✅ 40A continuous current rating supports 2-4S LiPo packs
✅ BEC output 5V 3A to power flight controller and accessories
✅ Compatible with F450, S500, ZD550 quadcopter frames
✅ Easy plug-and-play install with standard signal and power leads
✅ Note: firmware cannot be flashed on this ESC

💡 What is a 40A brushless ESC with 5V 3A BEC used for in 2-4S RC helicopters and quadcopters?

This ESC acts as the motor controller, delivering throttle signals and power management for hobby drones. - 2-4S LiPo compatibility and 40A current rating - 5V 3A BEC powers flight controller and peripherals - Easy install on popular frames like F450, S500, ZD550 ✝️