Before a failing lithium battery catches fire, there are often a few warning signs. If you see any of these signs. You will need to take immediate action to stay safe and reduce the risk of fire.
Heat: It’s normal for batteries to generate some heat when charging or in use. However if your device’s battery feels extremely hot to the touch, there’s chance it’s defective and may start a fire
Bulging: A battery bulging or swelling out of shape is a common sign of it failing. If your battery looks swollen, you should stop using it immediately. Similar signs include any type of lump or leaking from the device
Noise: Failing lithium batteries have also been reported to make hissing or cracking sounds
Smell: If you notice a strong or unusual smell coming from the battery, this could also be a sign of it failing
Performance: A failure to fully charge or longer charge times can be a sign that your battery is failing
Smoke: If your battery or device is smoking, a fire has already started
If your battery shows any of these signs of failing, immediately turn off the device and unplug it from the power source. Call the device manufacturer or retailer for further instructions.
If you’ve spotted the warning signs, make sure you report your faulty battery to your local Trading Standards office.
If the device starts smoking or catches fire:
Lithium batteries should not be placed in the same bins as your regular rubbish or recycling. If they get damaged or overheat, they may cause it to catch fire. Instead check your local authority's website or recycle your electricals for the safe way to dispose of lithium batteries in your area.