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Stop using or charging a swollen battery. Keep it away from flammable materials, then contact the device maker, retailer, or your local waste authority for disposal instructions. Do not put it in household trash or curbside recycling. If it is smoking, burning, or poses an imminent fire risk, move away and call emergency services; the U.S. Environmental Protection Agency says calling 911 may be necessary.
What to do with a swollen battery
A swollen lithium-ion battery is damaged and may catch fire. Do not charge it, continue using it, puncture it, crush it, bend it, or try to repair it at home. The Oregon State Fire Marshal also advises against charging batteries that are damaged, leaking, unusually hot, or recalled. EPA’s lithium-ion battery FAQ describes swelling as damage and a potential fire hazard; the Oregon State Fire Marshal’s safety guidance gives charging precautions.
If it is smoking, burning, or actively failing
Move away and contact emergency services if there is an imminent fire risk. Do not try to package, carry, or transport a battery that is actively failing.
If there is no immediate emergency
Contact the battery or device manufacturer, retailer, or local or state waste authority for instructions. Keep the battery or device in a safe place away from flammable materials until you have an approved disposal route. EPA lists a bucket containing a fire suppressant such as sand or kitty litter, or another location away from combustibles, as possible interim storage. For a visibly damaged battery, follow specific manufacturer and local program instructions rather than assuming general handling advice applies.
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How to arrange safe collection
Lithium-ion batteries and devices containing them should not go in household garbage or municipal recycling bins. Ask about separate battery recycling, retailer takeback, a certified electronics recycler, or a household hazardous-waste collection program. The right route depends on the item and the program’s acceptance rules.
- Identify the item. Note whether the battery is loose or inside a device, and identify the chemistry and size if known. Check product markings and manufacturer instructions.
- Contact a suitable program. Ask a battery recycler, retailer, electronics recycler, or local household hazardous-waste program whether it accepts that specific item.
- Confirm special requirements before traveling. Ask whether swollen or damaged batteries are accepted, whether the battery should remain in the device, and whether the program has packaging, transport, appointment, or local eligibility rules.
- Follow the program’s directions. Do not ship or carry a damaged battery unless the manufacturer or collection provider has given you appropriate instructions.
EPA names these collection routes but does not guarantee that every individual site will take a swollen or damaged battery. Verify acceptance first. If the battery is part of a vehicle or building energy-storage system, contact the vehicle dealer, equipment or battery manufacturer, or installation company; medium and large systems should not go in household trash or municipal bins.
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Handling and preparation: what tape can and cannot do
For a used lithium-ion battery accepted by a recycling program, EPA recommends placing it in an individual plastic bag or covering its terminals with non-conductive tape to reduce the chance of terminal contact. EPA prefers electrical tape and says other non-metallic adhesive tape can work. This is a precaution for accepted batteries—not a repair, fire-control measure, or way to make a swollen battery safe for routine drop-off. For a damaged battery, follow the manufacturer’s and collection program’s specific instructions.
Some devices do not have easily removable batteries. Do not open a device just to extract a swollen cell unless the manufacturer or a qualified service provider directs you to do so. Use an electronics or hazardous-waste route that accepts the device with its battery still installed.
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Other hazardous e-waste needs an item-specific route
Do not assume all batteries can be disposed of the same way. EPA distinguishes among lithium-ion, lithium single-use, button or coin, rechargeable, and lead-acid batteries; follow the guidance for the item’s chemistry and check local program rules. Lead-acid batteries should go to a battery retailer or household hazardous-waste program, not household trash or municipal recycling.
A chasing-arrows recycling symbol on a lithium-ion battery does not mean it belongs in a curbside bin: EPA says it indicates specialized recycling. For other electronics containing batteries, use a certified electronics recycler, retailer takeback, or local hazardous-waste program where accepted. If an item is unknown, leaking, damaged, or unusually hot, ask the manufacturer and local waste authority for instructions before handling or transporting it.
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Why separate collection matters
EPA reported more than 240 lithium-ion battery fires at 64 facilities between 2013 and 2020. The agency’s 2021 report summary says the figures came from analysis of publicly available news reports about fires in the waste-management system—not a comprehensive count of every incident. Commonly identified sources included batteries from consumer devices such as phones, tablets, laptops, hoverboards, and e-cigarettes. EPA’s lithium-ion battery materials explain the disposal concern and link to its report summary.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Rules and collection options depend on location
This guidance reflects U.S. EPA and Oregon State Fire Marshal material. EPA explains that household hazardous waste from normal household activities is generally excluded from federal hazardous-waste rules, while state and local requirements may be more stringent. That legal exclusion does not make curbside disposal safe: EPA recommends separate collection for lithium batteries. Check your local program’s rules, particularly for damaged batteries. EPA’s household hazardous-waste guidance explains the household exclusion and local variation.
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