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Power bank safety: avoid hot cars and stop using swollen batteries

Store lithium-ion power banks away from hot cars and direct sun. Stop using a swollen, unusually hot or odorous device, and ask about special hazardous-battery disposal before putting damaged units in any collection bin.

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Wikimedia Commons · Ilya Plekhanov / CC BY-SA 3.0 / Wikimedia Commons https://commons.wikimedia.org/wiki/File:Power_bank.JPG (original unchanged) · Creative Commons Attribution-ShareAlike 3.0 Unported ↗

USFA describes extreme temperatures, swelling, excessive heat, color changes and unusual odors as battery safety warning signs. Use compatible manufacturer-recommended charging equipment and follow product instructions. The photo illustrates a power bank; it does not certify that model as safe.

Your try-it-at-home checklist

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Check the model manual for approved charging equipment and temperature limits, and see whether the model is subject to a recall.
Store and charge away from direct sunlight, heaters and hot cars, preferably in a dry, room-temperature location.
Use a compatible certified charger and intact cable. Charge on a solid ventilated surface, not under bedding.
Stop use immediately if you notice unusual heat, swelling, leaks, smoke, hissing or odor; move away from danger. Evacuate and call 119 in Korea if there is fire.
Never crush, pierce, dismantle or casually discard a swollen or damaged power bank in household trash or ordinary battery bins.
For intact units follow the maker's storage instructions. For recalled or damaged products, contact your municipality or specialized recycling facility before transport or disposal.

Your try-it-at-home checklist

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