Guangzhou Gesai Intelligent Electronic Technology Co., Ltd.
                                                                                                           
Verified Supplier
11 Years
Since 2015
Menu

Electronic Speed Controler AMPX 40A (5-14S) Drone ESC W/box

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Brand: GS
Product Description
Electronic Speed Controler AMPX 40A (5-14S) Drone ESC W/box
Product Specifications
Attribute Value
Model AMPX 40A ESC HV
Compatible Signal Frequency 50-500HZ
PWM Input signal Voltage 3.3V/5V (compatible)
Power wire / wire Length 16AWG/380mm
Supported Lithium Cell Count 5~14S
Dimensions (L*W*H) 62.2*31.0*16.0mm
Operating Environment Temperature -20-65°C
Current Limit 48A
Motor Wire / wire Length 16AWG/80 mm
Product Features
  • Quick response - achieves full speed from motor start in just 0.25 seconds
  • Excellent compatibility and stability with specialized control algorithm for disc motors
  • Synchronous freewheeling technology improves throttle linearity, driving efficiency, and enables automatic energy recovery during motor speed reduction
  • Includes CAN communication interface for real-time communication with flight control (requires compatible flight control system)
Protection Functions
Short Circuit Protection

Automatically shuts down output when detected, then restores operation after 100ms delay.

Stall Protection

Requires throttle return to zero to restore operation after stall detection.

Voltage Protection

Prevents motor start if battery voltage is below 16V or above 64V (disabled during flight).

Temperature Protection

Reduces output power at 125°C, cuts output at 140°C, with gradual power restoration as temperature decreases.

Throttle Loss Protection

Cuts power after 2 seconds of signal loss, with automatic restoration upon signal recovery.

Startup Protection

Shuts down output if motor doesn't start within 10 seconds of throttle increase.

Throttle Calibration

Follow audible cues ("bi bi" and "DO Mi sO" sounds) to successfully set throttle range.

AMPX 40A ESC front view showing connections and components AMPX 40A ESC side view with dimensions visible
Warranty & Services
  1. 1 Year Warranty included for all purchases
  2. 14-day return policy for replacements or refunds (contact required before return)
  3. Free replacement for defective items within 3 months
  4. Extended support after 3 months (shipping fee applies for replacements)
Packaged AMPX 40A ESC with included accessories
Frequently Asked Questions
Q: Do you support OEM/ODM?

A: Yes, we can print your logo on the product.

Q: About samples

A: Standard samples ready in 7 days, OEM/ODM samples in 10-20 days (sample and shipping fees apply).

Q: What is the delivery time?

A: Regular orders ship in 15 days, OEM/ODM in 25-45 days (quantity dependent).

Q: What is the minimum order quantity?

A: No MOQ - wholesale orders accepted from 1 piece, including OEM/ODM.

Q: What are your payment terms?

A: We accept L/C or 100% TT payments.

Q: Can you reduce shipping costs?

A: We always select the most economical shipping option available.

Q: What is your return policy?

A: Replacement requests must be made within 7 days of receipt, with items in original condition.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangzhou Gesai Intelligent Electronic Technology Co., Ltd.
Location Fuli Yingtong Building, the Pearl River New Town, Tianhe District, Guangzhou, Guangdong, China
Contact Person pan

Request A Quote

Please check your email address.
Your message must be at least 20 characters.