This recall involves OCOOPA-branded rechargeable lithium-ion battery hand warmers, models UT3053, UT3056, ZLS-118, ZLS-118S, ZLS-118D, H01 and H01(PD.) The dual-sided, rechargeable hand warmers were sold in varying colors and designs, in packs of two warmers that can magnetically be joined and with a charging cable. The hand warmers have a USB-C port to charge the built-in lithium-ion batteries in each unit. The adjustable-heat hand warmers have LED indicator lights on the hard plastic shell and a silicone lanyard. "OCOOPA" is printed on the top of the hand warmers and on the product packaging. The model number and three-digit batch number are printed on the hand warmers' underside.
Units affected: About 1.5 million
Where it was sold: Online at Amazon.com, Ocoopa.com, Ocoopa.net and Walmart.com from September 2018 through May 2026 for between $15 and $60.
Compare the codes above against the label on your product — usually on the bottom, the back panel, or the packaging. If your unit isn't listed, it is not part of this recall.