1.5 Million Rechargeable Hand Warmers Recalled After a Death and Hundreds of Burns. The Battery Inside Can Catch Fire.

The short version: On July 30, 2026, the U.S. Consumer Product Safety Commission (CPSC) and importer Shenzhen Street Cat Technology Co., Ltd. — doing business as OCOOPA Direct — announced the recall of about 1.5 million OCOOPA rechargeable hand warmers. In the CPSC’s words, “the lithium-ion battery in the recalled hand warmers can overheat and ignite, posing a risk of serious injury or death from fire and burn hazards.” The company had received 1,480 reports of the warmers overheating, resulting in 15 fires and 350 burn injuries, including the death of an 83-year-old man in San José, California, in February 2026. It’s a small, popular winter gadget — but it’s also a textbook example of a much bigger problem: cheap lithium-ion devices, sold by the millions online, that can turn into a fire hazard in your pocket.

What Was Recalled

According to the CPSC notice, the recall covers OCOOPA-branded rechargeable lithium-ion battery hand warmers in seven models: UT3053, UT3056, ZLS-118, ZLS-118S, ZLS-118D, H01 and H01(PD). They’re the dual-sided, adjustable-heat warmers that come in a pack of two — the pair can be joined together magnetically — with a USB-C port to charge a built-in battery in each unit, LED indicator lights on a hard plastic shell, and a silicone lanyard. “OCOOPA” is printed on the top of each warmer and on the packaging. The model number and a three-digit batch number are printed on the underside of each unit, which is where to look to check yours.

The hand warmers were sold online at Amazon.com, Ocoopa.com, Ocoopa.net and Walmart.com from September 2018 through May 2026 for between $15 and $60. They were manufactured in China. That’s a nearly eight-year sales window across the biggest online storefronts in the country, which is why the recall reaches roughly a million and a half units — and why there’s a good chance one is sitting in a lot of American households and cars right now, especially anyone who bought a couple as a cold-weather gift.

Why a Rechargeable Device Can Catch Fire While It’s Just Sitting There

The most unsettling thing about lithium-ion fires is that they don’t need you to do anything wrong. These hand warmers run on the same rechargeable battery chemistry as your phone, your laptop, and your cordless tools — a technology that packs a lot of energy into a small space. That’s exactly what makes them convenient, and exactly what makes a defective one dangerous.

When a lithium-ion cell has a manufacturing flaw, gets damaged, or is built or charged improperly, it can slip into what engineers call thermal runaway. A tiny internal short circuit generates heat; the heat triggers more chemical reactions; those reactions make more heat. Once that loop starts, it feeds itself — the cell can swell, hiss, vent hot gas, and burst into a fierce, hard-to-extinguish fire in seconds. Because the reaction is happening inside the battery, it doesn’t care whether the device is switched on. A cell can go into thermal runaway while it’s charging on a nightstand, tucked in a coat pocket, or forgotten in a drawer through the summer.

That’s why the CPSC’s remedy here is to stop using the product entirely rather than offer a workaround. It’s also why lithium-ion fires show up so often in the recall feed: a hand warmer, a power bank, an e-bike battery, and a Bluetooth speaker are, from a safety standpoint, the same core risk in different plastic shells. The heat and burn potential is real — regulators tied these particular warmers to 15 fires and 350 burn injuries before the recall, and a burn from a pocket-sized device pressed against skin or clothing can be severe.

The Refund Won’t Cover a Burn: Recall vs. Legal Claim

Here’s a distinction that trips up a lot of people, and it matters most when someone has actually been hurt. A recall refund and a legal claim are two different things.

The refund is about the product. OCOOPA is offering to give buyers back what they paid — somewhere between $15 and $60 — as a gift card or in the original form of payment. That makes you whole for the gadget itself. What a refund does not do is address a burn injury, an emergency-room visit, a house or car damaged by fire, lost belongings, or the loss of a loved one. Those harms are far bigger than the price of a hand warmer, and they’re a separate question entirely.

When a defective product is alleged to have caused that kind of harm, people have in some situations pursued product-liability claims against the companies that designed, manufactured, imported, or sold it — and where someone has died, families have sometimes brought wrongful-death claims. Accepting the refund for the product generally doesn’t resolve those questions. Whether any individual situation supports a claim depends entirely on the specific facts, and nothing here is a prediction that any case would succeed or a promise of any result. The point is simply this: if a recalled product hurt you, don’t assume the refund is the end of the story.

How to Get Rid of a Recalled Lithium-Ion Device Safely

This is the part most people get wrong, and it’s worth spelling out because it’s a genuine fire hazard. The CPSC is explicit: do not put a defective lithium-ion device in your household trash, in the general recycling stream (including curbside and street-level bins), or in the used-battery drop-off boxes you see at many retail and home-improvement stores. Defective lithium-ion batteries have to be handled differently from ordinary batteries precisely because they can catch fire — and a battery that ignites in a trash truck, a recycling facility, or a store collection box can start a much bigger blaze and put workers at risk.

Instead, the safe route is your local household hazardous waste (HHW) collection program. Because not every facility accepts damaged or recalled lithium-ion batteries, the CPSC advises calling your HHW collection center first to ask whether they’ll take it; if they won’t, contact your municipality for guidance. In the meantime, OCOOPA’s refund process actually helps here: you’re asked to write “RECALLED” on the unit in permanent marker and submit a photo of that marking along with the model and batch numbers — so you can document and claim your refund before you dispose of the device through the proper channel.

1. Stop using and charging it and move it away from anything flammable.
2. Request your refund at ocoopa.com/pages/product-recalls (write “RECALLED” on it, photograph the marking, model, and batch number).
3. Don’t trash it or use a store battery box. Contact your local household hazardous waste program and ask how to dispose of a recalled lithium-ion battery.
4. Report a problem — if your warmer overheated or caused an injury or fire, you can tell the CPSC at SaferProducts.gov.

A Familiar Pattern: Cheap Lithium-Ion Gadgets Sold Online

If this recall feels familiar, that’s because it is. Inexpensive, battery-powered products sold by the millions through online marketplaces have become a recurring source of fire and burn recalls — the same underlying hazard in one product category after another. Lawsuit Loop has covered the Casely power bank recall, where a portable phone charger’s lithium-ion battery could overheat, and the EEMB coin battery recall of hundreds of thousands of packs sold on Amazon. The OCOOPA hand warmer is the latest name on that list.

Part of what makes these products tricky is the supply chain behind them. A device can be manufactured overseas, imported, listed by a third-party seller, and delivered to your door faster than the safety-compliance system catches up. When something goes wrong, one of the legal questions that follows is who along that chain is responsible — the manufacturer, the importer, the brand, or the marketplace that sold it. That question is still developing in the courts, and how it’s answered can depend on the state, the facts, and the specific companies involved. It’s general information, not legal advice — but it’s the reason a $20 gadget can raise real accountability questions when it causes real harm.

Where the Law Comes In

Lawsuit Loop follows recalls like this one because they sit where product safety meets accountability. When a product is alleged to have overheated or caught fire because of a defect — and someone is burned, a home or vehicle is damaged, or a life is lost — one of the questions that follows is whether the product was designed, made, and sold as safely as it should have been. Families in that situation have, in some cases, pursued product-liability or wrongful-death claims against the companies responsible for putting the product in their hands.

Whether any particular situation supports a claim depends entirely on the specific facts, and nothing here is a prediction that any case would succeed or a promise of any outcome. A recall by itself doesn’t decide fault; it’s a safety step. If a recalled hand warmer harmed you or someone you love, the priority is medical care and safety. If, after that, you want to understand your options, you can talk to a lawyer or use the free form on this page. Lawsuit Loop will update this article as this recall — and any related legal developments — continue.