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TL;DR: Over 1.5 million OCOOPA rechargeable hand warmers are being recalled because their batteries can overheat, catch fire, and cause serious burns — or even death. If you have one, stop using it immediately and get a full refund.
Imagine a little pocket-sized heater you can recharge like a phone. That’s what OCOOPA hand warmers are:
Check the underside of your hand warmer for these model numbers:
| Model Number | Also Check For |
|---|---|
| UT3053 | 3-digit batch number |
| UT3056 | 3-digit batch number |
| ZLS-118 | 3-digit batch number |
| ZLS-118S | 3-digit batch number |
| ZLS-118D | 3-digit batch number |
| H01 | 3-digit batch number |
| H01(PD) | 3-digit batch number |
Can’t find the model number? Look on the bottom of the plastic shell. The batch number is a 3-digit code right next to it.
IMPORTANT SAFETY WARNING
The lithium-ion battery inside can overheat and ignite without warning.
Real-world harm so far:
- 1,480 reports of overheating
- 15 fires started
- 350 people burned — some seriously
- 1 death — an 83-year-old in San José, California (February 2026)
This isn’t a "maybe" — it’s happening. The battery can fail while charging, while in your pocket, or while you’re holding it.
Follow these steps exactly to stay safe and get your money back:
Your photo must show all three of these:
| If… | Do this… |
|---|---|
| You had a fire, burn, or close call | Report it at www.SaferProducts.gov (CPSC’s official site) |
| Questions about the recall | Contact OCOOPA Direct via their recall page above |
| Not sure if yours is included | Compare your model number to the list — when in doubt, treat it as recalled |
A: Yes! You only need the hand warmer itself (with model + batch numbers visible). No receipt or packaging required.
A: The battery can fail without warning. Many people had no signs before it caught fire. Don’t risk it — return it anyway.
A: No. Lithium-ion batteries are hazardous waste. Taping contacts doesn’t make them safe for landfill. Use a proper battery drop-off location.
A: Once you submit the photo with all required info, OCOOPA processes refunds typically within 1–2 weeks. Gift cards are instant; card refunds depend on your bank.
A: Contact them immediately. Share this article or the recall link. They need to stop using them and file their own refund claim (each pair needs its own photo submission).
This recall is serious. People have been badly burned. One person died.
If you have an OCOOPA hand warmer — any model on the list — treat it like a tiny fire hazard in your pocket. Stop. Mark. Photo. Refund. Dispose safely.
It takes 5 minutes. It could save your life or someone you love.
Stay warm — but stay safe.