The 20A Electronic Speed Controller (ESC) from the HOBBYWING SKYWALKER series is a high-performance motor controller designed for small to medium RC aircraft, multirotors, and electric gliders running on 2–3S LiPo batteries. Built with precision and reliability in mind, this ESC delivers smooth throttle response, stable power delivery, and built-in safety features — making it ideal for both hobbyists and competitive pilots.

With a 20A continuous current rating, robust BEC output, and advanced firmware support, this ESC ensures efficient motor control and dependable flight performance.

Key Features

• 20A Continuous Current Handling: Supports brushless motors up to 20A for reliable performance
• 2–3S LiPo Input: Designed for lightweight aircraft and multirotor power systems
• 5V / 3A BEC Output: Provides stable power to flight controllers, receivers, servos, and peripherals
• Advanced Motor Control: Smooth throttle curves and optimized PWM drive for efficient rotation
• Low-Noise Operation: Reduces interference with onboard electronics
• Safety Protections: Includes throttle signal loss protection, low-voltage cutoff, and thermal cutoff
• Compatible with Standard RC Systems: Works with PWM receivers and flight controllers
• Compact & Lightweight: Easy integration into small airframes without adding unnecessary weight

Specifications

• Model: 20A ESC (HOBBYWING SKYWALKER Series)
• Continuous Current: 20A
• Peak Current: (typically higher for short bursts; refer to specific datasheet)
• Input Voltage: 2–3S LiPo (7.4–11.1V)
• BEC Output: 5V / 3A
• Motor Type: Brushless (BLDC)
• Control Signal Input: Standard PWM (compatible with most receivers/flight controllers)
• Dimensions: Compact form factor (varies by model)
• Weight: Lightweight for efficient flight performance
• Protection Features: Over-current, low-voltage cutoff, thermal shutdown

Applications

• Fixed-wing RC aircraft (trainers, gliders, sport planes)
• Multirotors (quadcopters, hexacopters)
• RC helicopters and VTOL platforms
• Electric gliders and park flyers
• General hobby and DIY UAV projects