RecallConsumer Product Safety Commission · Product safetyEffective Nov 5, In force5/5 quoted sentences found in the source

Bose recalls about 634,759 speaker battery packs sold since 2017 after seven reports of melting, smoke, or fire

CPSC announced a recall of about 634,759 lithium-ion battery packs for Bose S1 Pro and S1 Pro+ portable speakers, plus about 35,400 sold in Canada. The packs can overheat and ignite; Bose has seven reports of packs melting, smoking, or catching fire, six with property damage and no injuries. They were sold with the speakers and separately from December 2017 through July 2026 at Bose, Best Buy, Amazon, Walmart, and other sellers. The remedy is a free replacement pack, identified by serial number.

UnitsAbout 634,759
SoldDecember 2017 through July 2026
Pack pricebetween $100 and $160

What the document says

Matched to source. About 634,759 packs in the U.S. and about 35,400 in Canada.
Matched to source. The packs can overheat and ignite.
Matched to source. Seven incident reports, six with property damage, no injuries.
Matched to source. Sold for more than eight years.
Matched to source. The remedy is a free replacement pack.

Who does this affect?: Resellers of Bose S1 Pro systems and replacement packs, including used and refurbished sellers; brands that sell products with a removable lithium-ion pack.
What it costs: About 634,759 battery packs, priced at $100 to $160 when sold separately, replaced free; about 35,400 more were sold in Canada.
What to check: If you sell or resell Bose S1 Pro systems or battery packs, check serial-number prefixes against Bose's recall page before listing. If you sell any product with a removable lithium-ion pack, note that this recall reaches packs sold as far back as 2017, and ask your supplier how long it keeps batch and serial records.

The headline, summary, who, cost, and what-to-check lines are our reading of the document, not the document’s words and not advice.

Primary source

Bose Recalls Lithium-Ion Battery Packs for S1 Pro and S1 Pro+ Bluetooth Speaker Systems Due to Risk of Injury from Fire and Overheating Hazards