Blog Post

Lithium-ion batteries power everything from smartphones and laptops to electric vehicles and power tools. While these batteries are efficient and long-lasting, they also come with potential fire hazards. Understanding the risks associated with lithium-ion battery fires and knowing how to respond can help prevent dangerous situations.

Why Do Lithium Batteries Catch Fire?

A lithium-ion battery fire occurs due to a phenomenon called thermal runaway. This happens when the battery overheats, causing a chain reaction that leads to combustion. Common causes of thermal runaway include:

• Overcharging or overheating – Excess heat can cause internal components to break down.
• Physical damage – Puncturing or crushing a battery can cause a short circuit.
• Manufacturing defects – Poorly made batteries may have internal flaws that lead to fires.
• Improper storage – Storing batteries in high temperatures or exposing them to moisture can increase fire risk.

Can Lithium Batteries Catch Fire When Not in Use?

Yes, lithium-ion batteries can catch fire even when not in use. If a damaged or defective battery is stored improperly, it may slowly degrade over time, increasing the risk of a sudden fire. To reduce this risk, always store batteries in a cool, dry place and avoid exposing them to direct sunlight.

Do Lithium Batteries Explode?

Lithium-ion battery explosions are rare but can happen if the fire spreads rapidly and causes a buildup of gases inside the battery. This is why proper handling and storage of these batteries are essential.

What To Do If A Lithium Battery Catches Fire

Unlike traditional fires, lithium-ion battery fires require special handling. If a lithium battery fire occurs:

1. Do not use water – Water can react with lithium and worsen the fire.
2. Use a Class D fire extinguisher – These are designed for combustible metal fires, including lithium battery fires.
3. Use a dry chemical or lithium battery fire extinguisher – Certain extinguishing agents, like lithium-specific fire extinguishers, can help smother the flames.
4. Remove the heat source – If possible, move surrounding materials away to prevent the fire from spreading.
5. Evacuate and call emergency services – If the fire is uncontrollable, prioritize safety and contact professionals.

Preventing Lithium-Ion Battery Fires

Prevention is key when handling lithium-ion batteries. Follow these best practices:

• Store batteries properly – Keep them in a cool, dry place away from flammable materials.
• Avoid overcharging – Use the correct charger and unplug once fully charged.
• Inspect for damage – Dispose of swollen, punctured, or defective batteries safely.
• Use approved storage containers – Fireproof battery storage cases can help minimize risks.

Stay Safe with B&C Fire Safety

Understanding how to handle lithium battery fires can prevent catastrophic damage and injury. If your workplace or home stores or uses lithium-ion batteries regularly, consider investing in proper fire safety equipment, including lithium battery fire extinguishers. B&C Fire Safety provides expert fire protection solutions tailored to your needs. Contact us today to learn more about keeping your property safe from lithium-ion battery fires.