Lithium-Ion Battery Safety Guidelines

Lithium-ion batteries supply power to many devices, including smartphones, laptops, scooters, toys, and even cars.  These batteries store a large amount of energy in a relatively small space. Unfortunately, like any product, a small number of these batteries are defective and, in rare cases, can overheat, catch fire, or explode.

General Guidelines

  • Purchase and use devices from reputable sources and only batteries and devices that have an Underwriters Laboratories (UL) or Electrical Testing Laboratories (ETL) mark, which indicate that the battery and/or device has been safety tested and will perform as expected compared to non-UL or non-ETL products.
  • Follow manufacturer’s instructions for storage, use, charging, and maintenance.
  • Only use the battery that is designed for the device.
  • Charge the device or batteries using chargers that bear the UL or ETL mark, in accordance with the manufacturer’s instructions at all times. Ensure the device is charged in a safe location (never under a pillow, on a bed, couch, or similar surface), and avoid overloading outlets.
  • Put batteries in the device the right way and only use the charging cord that came with the device.
  • Do not place batteries in direct sunlight or keep them in hot vehicles.
  • Store batteries away from anything that can catch fire.
  • Inspect lithium-ion batteries for things such as bulging/cracking, hissing, leaking, rising temperature, and smoking before use.

Disposal and Recycling 

  • Do not discard lithium-ion batteries in regular municipal trash containers.
  • Non-damaged, small (< 2 lbs. in weight) batteries should be placed in one of the many battery recycling bins found on campus.
  • Before recycling any lithium-ion batteries, place clear tape on battery terminals to prevent contact with another terminal and a short circuit.

Additional Information