UL 2849 Electrical System for eBikes is a standard for testing and certification of electric bicycles (e-bikes). It was developed by Underwriters Laboratories (UL), a global safety science organization that specializes in product safety testing and certification. UL 2849 sets safety requirements for the electrical systems of e-bikes to ensure their safe use and operation.

In this article, we will discuss the importance of UL 2849 testing and certification, the testing process, and the benefits of UL 2849 certification for manufacturers and consumers.

UL 2849 Electrical Systems for eBikes

According to UL, the UL 2849 certification “provides fire safety certification by examining the electrical drive train, battery, and charger system combinations in e-bikes.”

The UL 2849 testing process ensures electrical, fire, and shock safety for owners of e-bikes. The requirements of UL 2849 certification specifically refer to e-bikes with rechargeable lithium batteries.

Testing evaluates the following components of the e-bike’s electrical system:

  • Drive unit
  • Battery
  • Battery management system (BMS)
  • Interconnecting wiring
  • Power inlet

Why was the standard developed?

In 2022, e-bikes were responsible for 216 fires. The majority of these fires are caused by damaged, off-market, non-tested lithium batteries. The U.S. Consumer Product Safety Commission’s (CPSC) has called on manufactures, retailers, importers, and distributors of micro mobility devices to comply with established standards.

The fire risks these bikes cause can result in serious injury or death. UL 2849 addresses this problem by offering comprehensive testing of an e-bike’s electrical system.

With the news around e-bike fires many consumers will only purchase a bike with the UL 2849 certification.

Why is UL 2849 Important?

UL 2849 certification provides a range of benefits for both manufacturers and consumers. For manufacturers, it provides a competitive advantage, as it shows their commitment to product safety and quality. Additionally, it ensures compliance with regulations and reduces liability in case of accidents or injuries caused by the device.

For consumers, UL 2849 certification provides peace of mind, knowing that the e-bike or e-scooter they are using has been thoroughly tested for safety and reliability. It reduces the risk of accidents and injuries caused by faulty devices, as well as providing assurance of the device’s quality.

Certain regions, such as New York, or marketplaces, such as Amazon may also require the certification before a manufacturer can sell a product.

Why should you test to UL 2849?

There have been recent recommendations made by the Consumer Product Safety Commission (CPSC) and legislation passed by New York City that may have implications for your e-mobility or e-bicycle products and their compliance.

ACT Lab has the capability to conduct all the necessary testing, to ensure that your products meet all applicable requirements and comply with the law.

Prior to making any decisions regarding compliance, it is crucial to have a thorough understanding of your actual obligations. ACT Lab can offer guidance on the most effective approach to achieve this, balancing your risk concerns with your compliance budget.


ACT-LAB is an ISO/IEC 17025 accredited laboratory that conducts consumer product safety and compliance testing for an active world. We can help ensure that your products both meet industry standards and are inspected to ensure the utmost quality.

To learn more about our tests contact us today.

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