About 1.5 million rechargeable hand warmers remain the subject of an active federal recall after the devices were linked to overheating incidents that left hundreds of people burned and one consumer dead. The recall, issued by the U.S. Consumer Product Safety Commission, covers OCOOPA-branded warmers sold for nearly eight years across some of the country’s largest retailers.
With cold-weather months approaching, the products remain in circulation in coat pockets, gloves and tool bags nationwide, even as the agency’s own count of injuries continues to climb the longer they stay in use.
What Recall 26659 Covers
The Consumer Product Safety Commission’s recall notice, numbered 26659, covers OCOOPA-branded rechargeable lithium-ion hand warmers in models UT3053, UT3056, ZLS-118, ZLS-118S, ZLS-118D, H01 and H01(PD). The devices were sold in pairs that join magnetically, packaged with a USB-C charging cable, and identifiable by LED indicator lights on a hard plastic shell attached to a silicone lanyard. They were sold online at Amazon.com, Ocoopa.com, Ocoopa.net and Walmart.com from September 2018 through May 2026, priced between $15 and $60, with a model number and three-digit batch code printed on the underside of each unit. The CPSC lists the importer of record as Shenzhen Street Cat Technology Co., Ltd., doing business as OCOOPA Direct, based in China, with the warmers manufactured overseas and distributed into the United States through the retailers named in the notice. An eight-year sales run, spanning 2018 through 2026, means the recalled population is spread across an unusually wide range of purchase dates, styles and colorways rather than a single production batch, which is part of why the agency’s notice leans on the printed model and batch codes rather than a purchase-date cutoff to identify covered units.
1,480 Overheating Reports Before the Recall
By the time the recall was announced, the manufacturer had received 1,480 reports of the devices overheating, a total that included 15 fires, 350 burn injuries and one reported death, an 83-year-old consumer in San Diego in February 2026. Most consumer product recalls are issued with no injuries attached to them at all, which makes a toll of 350 burns from a single product line unusual even within the category of lithium-ion recalls, and points to a hazard that built up gradually over years of sales rather than a defect caught early.
Why a Lithium-Ion Failure Does Not Stop on Its Own
The mechanism behind the injuries is what battery engineers call thermal runaway. A lithium-ion cell that begins to fail heats up, and that heat accelerates the chemical reaction inside the cell, which produces still more heat in a cycle that, once started, does not stop simply because a device is unplugged or switched off. A failing cell can also reignite after appearing to have burned out, which is part of why hand warmers are considered especially risky: the device sits in direct, prolonged contact with skin, tucked into a pocket, glove or waistband, exactly where a sudden thermal event does the most damage before anyone has time to react.
A Disposal Warning Stricter Than a Normal Battery
The recall notice instructs consumers not to place the recalled warmers in household trash, in curbside recycling, or in the battery-collection boxes commonly found at retail and home-improvement stores. Instead, the agency tells owners to contact a municipal household hazardous waste center directly and ask whether it will accept a defective lithium-ion device. That level of caution, beyond what applies to an ordinary spent battery, reflects how much stored energy remains in a cell even after it has been flagged as dangerous, and how a defective unit can still ignite during normal handling, storage or transport.
Part of a Wider Pattern in Battery Recalls
The hand warmer recall sits inside a much larger wave of lithium-ion product recalls the CPSC has issued over the past year, spanning power banks, magnetic chargers, cordless yard tools, security cameras and home battery systems. The agency has also moved beyond individual recalls toward broader rulemaking: in June 2026 it published a proposed safety standard specifically targeting lithium-ion batteries used in micromobility products, citing 227 incidents between 2019 and 2023, of which 90 were associated with 39 deaths and 181 injuries. That regulatory shift suggests officials see the hand warmer recall less as an isolated case and more as one entry in a growing category of consumer electronics where battery failure, not user error, is the primary hazard.
What Owners Are Being Told to Do
The remedy for anyone who still owns one of the recalled units is straightforward on paper: stop using the device immediately, mark it as recalled, photograph it, and arrange disposal through a hazardous waste center rather than a normal trash or recycling stream, while contacting OCOOPA Direct for a refund. In practice, an eight-year sales window means many owners may not realize their specific model and batch code are covered, particularly if the warmer was a gift, was bought secondhand, or has simply been used for years without incident. The CPSC’s public database, SaferProducts.gov, remains the channel through which the agency continues to log new incident reports as the recalled units are gradually pulled from circulation.
This article was produced with the assistance of AI and reviewed by an editor.
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