HEOS 1 Go Pack rechargeable battery packs
Check against the official notice below — it lists the full affected range.
Denon is recalling HEOS 1 Go Pack rechargeable battery packs used with wireless speakers due to a risk that the battery can overheat and cause fire and burn hazards. The recall affects only battery packs with specific 10-character serial numbers beginning with 5 or 601G91 and ending with numbers 3517 through 4004. The recalled batteries are black or white, hexagon-shaped packs with four blue LED lights and a power button, with model and serial numbers printed on the bottom.
Consumers who own an affected battery pack should immediately stop using it and contact Denon for a free replacement battery pack, which will include free shipping.
Written by software from the official notice below. Not reviewed by a lawyer.
The battery can overheat, posing a fire and burn hazards
Consumers should immediately stop using the recalled battery packs and contact Denon for a free replacement battery pack, including shipping.
This recall involves Denon's HEOS 1 Go Pack lithium-ion rechargeable battery packs for wireless speakers. Only HEOS 1 Go Packs with a 10-character alpha-numeric serial number beginning with 5 or 601G91 and ending with 3517 through 4004 are included in the recall; the battery packs are black or white, hexagon-shaped and have four blue LED lights and a power button. HEOS, the model and serial numbers are printed on the bottom. Only the speaker battery is being recalled.
Official record: U.S. Consumer Product Safety Commission ↗
Republished from the official source above; details can change — the source record controls.