Brushless 40A ESC Speed Controler 2-4S With 5V 3A UBEC RC FPV Quadcopter RC Airplanes Helicopter F450 F550 S500 30A motor XT60

Powerful, reliable and compact — this Brushless 40A ESC speed controller gives your RC FPV quadcopter, airplane or helicopter smooth throttle response and dependable power. Built for 2–4S LiPo setups with a built-in 5V/3A UBEC and XT60 input, it’s ideal for popular frames like F450, F550 and S500.

• High-performance 40A continuous brushless ESC for efficient motor control
• Supports 2S, 3S and 4S LiPo batteries (2-4S)
• Built-in 5V / 3A UBEC — powers flight controllers, servos and video gear reliably
• XT60 battery connector for secure, low-resistance power delivery
• Compact, lightweight design for easy mounting in quadcopters, planes and helicopters
• Compatible with common brushless motors (suitable for 30A-class setups)
• Plug-and-play wiring for quick installation on F450 / F550 / S500 frames and other RC models

Key benefits

• Smooth throttle and improved flight stability for FPV racing or aerial photography
• Stable 5V 3A UBEC eliminates need for separate BEC in many builds
• Robust construction and standard ESC protections help keep your setup safe during demanding flights
• Perfect upgrade for DIY builds and replacement installations

Technical specifications

• Continuous current: 40A
• Battery input: 2-4S LiPo
• UBEC output: 5V / 3A
• Connector: XT60 main power connector
• Motor type: brushless outrunner/inrunner (3-wire)
• Recommended use: FPV quadcopters, RC airplanes, helicopters, F450 / F550 / S500 frames

What’s included

• 1 × Brushless 40A ESC speed controller (2-4S)
• Pre-soldered XT60 power lead
• Motor phase wires and signal lead (installed)
• Instruction quick-start sheet

Quick installation & setup tips

• Always disconnect the propeller before programming or bench-testing.
• Calibrate throttle range with your transmitter after wiring to ensure smooth idle and cutoff.
• Use a suitable-size battery and check polarity before connecting the XT60 plug.
• Secure ESC away from extreme heat sources and allow airflow for longest life.

Who this is for

• FPV racers and freestyle pilots upgrading ESC performance
• Hobbyists building F450, F550, S500 and similar multirotors
• RC airplane and helicopter enthusiasts needing a compact 40A ESC with UBEC

Buy with confidenceReady to upgrade your build with reliable 40A power and an on-board 5V/3A UBEC? Add this Brushless 40A ESC speed controller to your cart today and get smoother, safer flights on 2-4S setups.