Canada recalls more than 35,000 Bose speaker batteries over fire risk

OTTAWA — Health Canada has issued a warning to consumers after the recall of 35,399 rechargeable batteries used in portable Bose speakers, which may overheat and start fires that could cause burns and property damage.

The recall covers batteries for the Bose S1 Pro and S1 Pro+, portable Bluetooth speakers used at events, music performances and other activities.

According to an official notice published on November 5, continued use of some batteries as they age may expose the lithium-ion cells to operating conditions that damage them, increasing the likelihood of overheating or fire.

Authorities asked consumers to remove the affected batteries immediately, stop using them, and contact the company for a free replacement.

More than 670,000 batteries in Canada and the U.S.

Health Canada said the company sold 35,399 affected units in Canada, in addition to 634,759 units in the United States.

That brings the total number of units announced in the two countries to more than 670,000 batteries, in a joint recall by Health Canada, the U.S. Consumer Product Safety Commission and Bose.

In Canada, S1 Pro batteries were sold from April 2020 to May 2024, and S1 Pro+ batteries from June 2025 to July 2026.

The batteries were manufactured in China by TWS Technology in Guangzhou and imported to the market by Bose.

Seven incidents reported outside Canada

The company said it had received no reports of injuries or incidents in Canada as of October 5, 2026.

However, it recorded seven reports worldwide involving the affected batteries, with no human injuries.

Potential hazards include overheating, parts of the battery melting, or smoke and fire, incidents that could cause property damage.

The absence of recorded injuries does not mean the batteries are safe to use, as the recall aims to prevent incidents before they occur.

How to tell whether your battery is included

Health Canada published seven sets of numbers with which the serial numbers of the affected batteries begin.

Device owners should check the first six digits of the serial number on the battery and compare them with the following list:

Affected serial numbers

• 083723
• 078352
• 084105
• 078591
• 078592
• 084106
• 086409

A match on the first six digits of the serial number is enough for the battery to be covered by the recall.
The full 17-digit serial number is on a label on the underside of the battery itself.

The recall does not necessarily cover all Bose devices or all batteries used with them, only units that match the specified numbers.

What to do if you have an affected battery

Authorities recommend that you stop using the battery immediately and remove it from the speaker, and avoid recharging it or testing it to see whether it works.

The speaker can continue to be used after the affected battery is removed, provided the device is connected directly to a power source, in line with the company's safety instructions.

Consumers can request a free replacement battery through Bose's official recall page, after providing the serial number and the required information.

They can also contact the company at 1-800-869-2114, Monday to Friday between 9 a.m. and 9 p.m., or Saturday until 7 p.m., Eastern Time.

Warning against selling recalled batteries

Health Canada stressed that the Canada Consumer Product Safety Act prohibits reselling, distributing or giving away recalled products to other people.

It also urged consumers to report any incident involving batteries overheating or catching fire, to help track potential hazards.

Consumers should follow the instructions of the company and local authorities on the safe disposal of lithium batteries, and should not put them in regular household waste.

The most important step remains to check the battery's serial number and to stop using it as soon as it is confirmed to be part of the recall, even if there are no obvious signs of damage.