Lithium-ion Battery Safety
Lithium-ion batteries power many consumer products. This includes phones, computers, power tools, vacuum cleaners, lawnmowers, e-scooters, e-cigarettes, toys, e-bikes, and electric vehicles. These batteries are essential for modern electronics, but they also require proper care and handling. To stay safe from lithium-ion battery fires, follow these important safety tips:
- Keep devices dry. Some devices, such as toys and power tools, often lack watertight seals, so exposure to moisture can allow water to seep into the battery, leading to dangerous chemical reactions.
- Inspect for damaged batteries before use. If defects are found, do not use and place them away from flammable and combustible materials.
- Only use batteries and chargers that have one of the recognized Canadian certification marks, such as CSA, ULC and cETL
- Never attempt to modify, tamper with or build your own lithium-ion batteries.
- Charge your cell phone, tablet, laptop and electronics safely by following these tips:
- Keep your battery in sight when charging and unplug it when charging is complete.
- Use the charger that came with your device. If you need a replacement, buy from a trusted source and ensure it's compatible with your device.
- Remove batteries/devices from their charger when fully charged.
- Charge your device on a hard surface, not on soft surfaces like beds, couches, or under pillows.
- If possible, charge larger items (like e-bikes, electric scooters or wheelchairs) away from exit doors, in the event they catch fire.
- Charge your battery before it drops below 30% for better longevity and safety, but avoid keeping it at 100% for long periods.
- Follow manufacturer’s instructions when charging a battery.
- Immediately discontinue use of a battery that feels hot or shows damage.
- Dispose batteries safely. They should never be placed in the garbage. Drop them off at a City of Hamilton Community Recycling Centre site or check here for battery recycling locations: https://locations.call2recycle.ca/on/hamilton/
For more information and great safety tips, visit https://www.chargedforlife.ca (English or French selections available).
Button or Coin Battery Information
Little kids love to explore, and when they find something new, what’s the first thing they do? Put it in their mouths. Electronic devices are getting smaller, slimmer and sleeker. There are mini remote controls, small calculators, watches, key fobs, flameless candles and musical greeting cards. Kids love to pick them up, play with them and take them apart, often exposing dangerous button batteries inside.
If swallowed, button batteries can become lodged in a child's throat. The child's saliva instantly triggers an electrical current causing a chemical reaction that can burn through the esophagus, the windpipe and the main artery. This can take as little as two hours. Even after the battery is removed, the severity of the burn can continue to worsen. Depleted or dead batteries can still carry enough charge to cause serious injuries and death.
If you suspect your child has ingested a battery, go to the hospital immediately. Don’t induce vomiting or have your child eat or drink anything until assessed by a medical professional.
Here are few things to remember to make sure these batteries stay where they belong.
- Keep coin lithium battery-controlled devices out of sight and reach of children. These include: remote controls, singing greeting cards, digital scales, watches, hearing aids, thermometers, children’s toys, calculators, key fobs, t-light candles, flashing holiday jewelry or decorations.
- Check regularly that button battery compartments are secure.
- Keep loose batteries locked away or place a piece of duct tape over the controller to prevent small children from accessing the battery.
- When replacing button batteries, make sure that used batteries are discarded quickly and properly and are out of sight and reach of children.
- Place pieces of non-conductive tape (packing, transparent or electrical tape) on either side of button batteries after removing them from products and before disposing of them.
- Share this life-saving information with caregivers, friends, family members and sitters. It only takes a minute, and it could save a life.
For more information about button battery safety, visit the Government of Canada's page on Battery Safety: Button Batteries.