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Vape batteries can cause deadly explosions, consumer safety agency warns
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Vape batteries can cause deadly explosions, consumer safety agency warns
Consumers should not buy or use individual 18650 lithium-ion battery cells due to possible fire risk, according to a warning just issued by the Consumer Product Safety Commission (CPSC). The commission says it is working with e-commerce sites like eBay to remove listings of loose 18650 cells, which are sometimes used in vapes, e-cigarettes, flashlights, and toys.
“These battery cells may have exposed metal positive and negative terminals that can short-circuit when they come into contact with metal objects, such as keys or loose change in a pocket,” the agency wrote Friday. “Once shorted, loose cells can overheat and experience thermal runaway, igniting the cell’s internal materials and forcibly expelling burning contents, resulting in fires, explosions, serious injuries and even death.”
Injuries related to exploding 18650 cells have been documented for a few years now, but the frequency seems to have increased along with their availability on sites like Amazon or from wholesale retailers.
One of the companies that makes 18650 cells, LG Chem, asked distributors of e-cigarette equipment in a late 2018 letter to stop selling them, warning that “individual consumer use and handling” that could “lead to severe burns and disfigurement,” according to a report in The Atlantic. Samsung and Sony also warn consumers against using the cells.
Why the CPSC is unilaterally warning against all loose 18650 batteries, and why the CPSC is singling out the 18650 alone. “They are often misused as a stand-alone consumer battery, but do not have protection circuits,” writes the agency, but you can buy 18650 batteries that do come with protection circuits, as show in the picture below. They would be better warning about the batteries that have no short circuit protection.
The 18650 isn’t the only Li-ion battery that has the potential for misuse, either, you can buy standalone 14500 cells as well, which are roughly the same size as a standard AA but more than twice the voltage (don’t put them into your remote).
This isn’t the first time the CPSC has intervened in battery tech. Back when hoverboards were bursting into flames, the agency demanded manufactures recall their unsafe products and threatened to seize ones that were non-compliant at the border.
The agency was also in charge of investigating when the Note 7 started catching on fire, although in that case Samsung worked with the agency to get the phones recalled before the agency forced them to do so.
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