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Security camera captures the moment an e-bike battery explodes in Ann Arbor

Firefighters rescue pets; one cat treated with oxygen at scene

ANN ARBOR, Mich. – Security video captured the frightening moment an e-bike battery burst into flames inside an Ann Arbor garage early Tuesday morning, sending two cats to an emergency veterinary hospital.

Background: 2 cats rescued after e-bike starts fire in Ann Arbor garage

According to authorities, it happened just after 2 a.m., May 26, at a home on Ravenwood Avenue, near the intersection of Miller Avenue and Maple Road.

The footage shows a flash of light as the fire ignites, followed by flames and thick smoke quickly filling the space. The force of the exploding battery blew open the door connecting the garage to the living area, allowing smoke to spread throughout the home.

You can watch the footage in the video player above.

Firefighters found two cats inside the home, including one that required oxygen at the scene.

Both cats were transported to an emergency veterinary hospital on Jackson Avenue for treatment.

The resident was not home at the time of the fire but was alerted by the home’s security cameras.

The Ann Arbor Fire Department said the battery was not charging at the time of the fire and that the owner “did everything right.”

Two cats are recovering after an e-bike fire in Ann Arbor on May 26, 2026. (WDIV)

Related: An ‘explosion-proof bag’ failed on Mackinac Island. Here’s the e-bike battery safety rules that actually work

E-bike safety: What riders need to know

  • E-bikes and e-scooters typically run on lithium-ion batteries, which can overheat, catch fire or even explode if damaged, defective or misused. Fires fueled by these batteries burn extremely hot and release toxic gases.
  • Experts recommend only purchasing and using devices, batteries and chargers listed by a nationally recognized testing laboratory. Riders should always follow the manufacturer’s instructions and use only the original or compatible charger and battery.
  • When it comes to charging and storage, riders should avoid charging past full and charge devices one at a time to prevent circuit overload. Batteries should be kept at room temperature.
  • Batteries should also be kept away from direct sunlight, hot vehicles, liquids and children, and should be stored away from exit doors and flammable materials.
  • Repairs should only be performed by a qualified professional. Lithium-ion batteries should never be thrown in the trash -- they should be recycled or disposed of according to local waste guidelines.
  • Riders should stop using a battery immediately if it shows any warning signs, including unusual odor, color change, excessive heat, physical deformation, leaking, smoking or an inability to hold a charge.
  • If a fire breaks out, leave the area immediately, do not attempt to fight the fire and call 911.

More e-bike safety tips can be found on the official National Fire Protection Association website.


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