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The VO-TOL EM100GTR 72V300A Electric Bike Controller: A Review

Electric bikes have become increasingly popular in recent years, and for good reason. They offer a convenient and environmentally friendly mode of transportation that can be easily integrated into daily life. The key to a great electric bike experience lies in its components, and one crucial component is the controller. A good controller can make all the difference in terms of performance, efficiency, and safety.

Product Overview

The VO-TOL EM100GTR 72V300A Electric Bike Controller is a high-performance controller designed for electric motorcycles. It features an automatic learning function and is suitable for use with brushless DC motors. The package includes the EM100GTR controller and a USB programming cable, providing everything you need to set up and program the controller to meet your specific needs.

Key Specifications:

Model number: EM100GTR
Voltage: 48-72V
Current: 300A/450A
Power: 4000W
Sensor: Hall
Waterproof: IP67

Performance and Features

One of the standout features of the VO-TOL EM100GTR controller is its ability to minimize torque pulsation, resulting in a smooth and noise-free operation. This is particularly important for electric motorcycles, as vibration and noise can greatly impact rider comfort and the overall riding experience. With the EM100GTR, you can expect a quiet and vibration-free ride, making it ideal for both urban commuting and long-distance travel.

In addition to its performance benefits, the EM100GTR is equipped with built-in protections to ensure both system and driver safety. These protections include over-voltage protection, under-voltage protection, over-current protection, and short-circuit protection. These safeguards provide peace of mind and help to prevent potential issues that could arise during operation.

Another key feature of the EM100GTR is its precise current control, which allows for accurate torque input to meet the requirements of large torque output during vehicle starting and climbing. This level of control is essential for ensuring a smooth and efficient ride, particularly in challenging terrain or during acceleration.

Technical Support and Warranty

When investing in a high-performance electric bike controller, it’s important to have access to reliable technical support. VO-TOL understands this and provides comprehensive technical support for the EM100GTR. If you encounter any technical issues or require assistance in programming and setting up the controller, you can simply email the customer support team, and they guarantee a response within 24 hours. This level of support gives buyers confidence in their purchase and ensures that any potential issues can be addressed promptly.

As for warranty, the VO-TOL EM100GTR comes with a standard warranty package that covers any manufacturing defects or malfunctions. This provides peace of mind and ensures that you can fully enjoy the benefits of the controller without worrying about potential issues.


The VO-TOL EM100GTR 72V300A Electric Bike Controller is a high-quality and reliable controller that is suitable for a wide range of electric motorcycles. Its robust performance, built-in protections, and precise current control make it an ideal choice for riders looking for a smooth and efficient riding experience. With the added assurance of technical support and warranty coverage, the EM100GTR offers excellent value for money and is sure to enhance the performance of any electric bike it is installed on.

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