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Lithium Battery Safety

Many devices we use nowadays come with lithium-ion batteries including smartphones, laptops, car fobs, cameras, watches, smoke alarms, e-cigarettes, toys, e-scooters, e-bikes, and even cars.

Lithium-ion batteries are small in size but store a lot of energy. If not used correctly or if damaged, fire officials warn they could overheat, catch fire or explode.

Most states are not yet tracking fire statistics related to lithium-ion batteries. However, in New York City, fire officials reported they responded to 220 incidents in 2022.

Between March 2006 and June 2023, the Federal Aviation Administration (FAA) reported 462 incidents involving smoke, fire, or extreme heat of lithium-ion batteries. Many issues involved a battery pack, an e-cigarette or vape device, a cell phone, a laptop, or another electronic device. Because of these incidents, the Transportation Security Administration has issued rules against keeping certain devices in checked baggage.

While lithium-ion batteries are generally safe to use, there are precautions that consumers should take to avoid potential dangers.


Buying, Charging and Storing Lithium-ion Batteries

When buying batteries, experts suggest you only purchase ones that are recognized by national testing laboratories like the Underwriters Laboratories (UL). Labs like this will have a marking on the packaging and device.


When charging a lithium-ion battery, the National Fire Protection Association has several recommendations to avoid the risk of a fire:

  • Only use a battery that is designed specifically for your device
  • Put the battery in your device right away
  • Only use the charging cord that comes with your device
  • Do not charge a device under your pillow, on your bed, or on a couch
  • Do not keep charging the device or device battery after it is fully charged


When storing batteries, always read the manufacturer’s instructions on the packaging. In addition:

  • Store lithium-ion batteries at room temperature. Do not keep them at temperatures below 32°F or above 105°F
  • Do not leave batteries in a hot car, in direct sunlight, or in freezing temperatures
  • Keep batteries away from combustible materials


Signs of a Corrupt Lithium-ion Battery

Signs that a lithium-ion battery is corrupt could be an odor, change in color, change in shape, it’s leaking, it’s hot, or it’s making odd noises. If any of these things happen, stop using the battery immediately and move the device away from anything that can catch fire.


Disposing of Lithium-ion Batteries

When it’s time to get rid of a lithium-ion battery, do not dispose in the trash or place multiples in piles. Batteries that no longer work can be taken to a community recycling location instead.

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Please Note:This content is not intended to describe any specific coverage offered by MAPFRE Insurance. No coverage is provided, bound or guaranteed by this article. Available coverages, credits and discounts vary from state to state and are subject to eligibility criteria and policy terms/conditions, which will control in the event of conflict between this article and your insurance policy. For information about your policy, please review your individual policy contract and speak with your insurance representative.

MAPFRE Insurance® is a brand and service mark of MAPFRE U.S.A. Corp. and its affiliates, American Commerce Insurance CompanySM (Cal. COA 4928-8); Citation Insurance CompanySM; The Commerce Insurance CompanySM; Commerce West Insurance CompanySM (Cal. COA 1372-2); and MAPFRE Insurance CompanySM (Cal. COA 3039-5). Not all products available in all states.

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