- Dual Voltage Compatibility: Seamlessly operates with both 60V and 72V battery systems, offering flexibility across various scooter and motorcycle models.
- High Current Output: Delivers a continuous current of up to 50A, with a peak current reaching 195A at 60V and 185A at 72V, supporting powerful acceleration and consistent performance.
- Programmable Functionality: Allows users to customize performance settings via PC software, enabling tailored configurations to suit specific riding preferences and requirements.
- Comprehensive Safety Protections: Equipped with safeguards against over-voltage, under-voltage, over-current, and thermal overload, ensuring the longevity of both the controller and the vehicle’s electrical components.
- Efficient Cooling System: Designed with an IP67-rated aluminum alloy casing to maintain optimal operating temperatures and protect against dust and water ingress.
- User-Friendly Interface: Features clear labeling and standardized connectors for straightforward installation and maintenance.
Technical Specifications
- Input Voltage: 60V / 72V DC
- Rated Current: 50A
- Peak Current: 195A (60V), 185A (72V)
- Rated Power: 3,000W (60V), 3,600W (72V)
- Maximum Power: 4,800W (60V), 5,760W (72V)
- Flux Weakening Ratio: 150%
- Degree of Protection: IP67
- Communication Mode: 485/LIN
- Interface Type: VOTOL
- Dimensions: 181mm x 91mm x 50mm
- Weight: 955g
Applications
The VOTOL EM50-4-B Controller is suitable for:
- Electric Scooters: Enhances motor performance, providing riders with improved acceleration and control.
- Electric Motorcycles: Offers reliable power management for e-motorcycles requiring robust current output.
- Other Electric Vehicles (EVs): Compatible with various small EVs that operate within the specified voltage and current parameters.
Installation Guidelines
- Safety Precautions: Ensure the vehicle is powered off and the battery is disconnected before installation.
- Mounting: Securely attach the controller to the vehicle’s frame using appropriate hardware, ensuring it is positioned to allow adequate airflow for cooling.
- Wiring Connections: Connect the motor, battery, throttle, brake, and other peripherals to the controller, following the wiring diagram provided in the user manual.
- Configuration: Use the provided PC software to program the controller settings, tailoring them to match the vehicle’s specifications and desired performance characteristics.
- Testing: After installation, conduct a thorough test to confirm that all functions operate correctly and that safety features are active.
Maintenance Tips
- Regular Inspections: Periodically check all connections and wiring for signs of wear or damage.
- Firmware Updates: If applicable, update the controller’s firmware to benefit from performance improvements and new features.
- Cleanliness: Keep the controller and surrounding area free from dirt and debris to ensure effective cooling.
Why Choose the VOTOL EM50-4-B Controller?
Upgrading to the VOTOL EM50-4-B Controller means investing in a component that delivers enhanced performance, improved safety, and greater control over your electric scooter or motorcycle. Its intelligent features, robust design, and programmability make it a reliable choice for riders seeking a superior and more responsive riding experience.

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