Sha Jing Da Jie Baoan, Shenzhen, Guangdong Province, China, 518104
Restore your Kukirin G4 Max to factory performance with this 100% genuine B Version controller, engineered as an exact replacement for the original electrical control system. Designed specifically for 48V configurations, this premium ESC (Electronic Speed Controller) delivers reliable power management and seamless integration with your scooter's components.
Key Features:
✔ Precision-Calibrated Output - Maintains original acceleration curves and speed control algorithms
✔ Enhanced System Protection - Built-in safeguards against:
Over-voltage/Under-voltage (48V system optimized)
Current overloads (30A continuous/45A peak)
Short circuits and phase faults
✔ Rugged Construction - IP55 waterproof aluminum housing with integrated cooling fins
✔ Plug-and-Play Compatibility - Direct connection to:
OEM throttle assembly
Dashboard display unit
Motor phase wiring
Technical Specifications:
• Voltage Rating: 48V DC
• Power Output: Compatible with standard G4 Max motors
• Connectors: 9-pin waterproof automotive-grade
• Dimensions: 150×90×45mm
Installation Notes:
Professional installation recommended for proper waterproof sealing
Ensure battery disconnection before installation
Calibration may be required for optimal performance
This authentic replacement part is ideal for repairing damaged controllers or upgrading older units. Compatible exclusively with Kukirin G4 Max (B Version) models.




Company Advantages
1. Founded in 2014, have 11 years of experience in electric scooter manufacturing.
3. Professional sales team: our 80% sales with bachelor degree, have superior occupational career and good education background, which ensures more professional and reliable service to our clients.
2. Good Reputation: by strictly follow market rules, we adhere to provide reliable quality goods, competitive price, fast shipment, continuously improving after-sale service. Our high efficiency and responsibility have own approval of our clients.
4. One-stop service, we have over 1000 parts and accessories for electric scooter, bicycle and motorcycle, and 5-8 new products coming out per month, and 90% goods have enough stock.



