A Guide to Selecting the Best Fire Extinguisher for Lithium Battery Fire in Australia
- Fire Products Direct

- Sep 5
- 4 min read
F-500 Fire Extinguisher for Lithium Battery Fires
Understanding the Fire Risks of Lithium Batteries
Powering a wide range of modern devices, including smartphones and electric vehicles, lithium batteries present notable fire hazards. This is due to their high energy density and the presence of a flammable electrolyte. Recognising these risks is essential for maintaining safety in homes, businesses, and industrial environments.

Understanding Lithium Battery Fires
How Lithium Battery Fires Start
Lithium battery fires can occur due to overcharging, physical damage, manufacturing defects, or exposure to high temperatures. These conditions can lead to thermal runaway, a rapid self-heating process that can cause the battery to catch fire or explode.
Unique Challenges of Extinguishing Lithium Battery Fires
Lithium battery fires are particularly challenging to extinguish because they can reignite even after appearing to be out. Traditional extinguishers, like water or CO2, are often ineffective, making specialised extinguishers critical.
Fire Extinguishers for Lithium Batteries
Importance of Specialised Fire Extinguishers
Standard fire extinguishers typically struggle to effectively manage lithium battery fires. Specialised extinguishers are designed specifically to tackle these types of fires, making them essential for those who use or store lithium batteries. Australia adheres to rigorous standards for fire safety equipment, ensuring that fire extinguishers comply with specific performance and safety criteria. Familiarity with these standards aids in choosing the appropriate fire extinguisher for lithium battery fires.
The F-500 Lithium Ion Battery Fire Extinguisher
What is an F-500 Fire Extinguisher?
F-500 is a specially formulated fire extinguishing agent designed to tackle lithium battery fires. It is recognised for its effectiveness in quickly suppressing these challenging fires.
F-500 works by encapsulating the burning lithium particles, cooling the fire, and preventing oxygen from fueling it further. This process significantly reduces the chance of reignition, making the F-500 a reliable choice.
F-500 is designed to be environmentally friendly, with non-toxic and biodegradable properties. This ensures that using F-500 does not harm the environment, making it a sustainable option for fire safety.

Composition and Properties
F-500 is composed of a unique blend of chemicals that are effective in suppressing lithium battery fires. Its properties include high thermal stability and the ability to encapsulate burning particles.
Effectiveness in Preventing Reignition
One of the standout features of the F-500 is its ability to prevent re-ignition. By cooling the fire and encapsulating the lithium particles, it significantly reduces the likelihood of the fire reigniting.
Non-Corrosive and Non-Toxic Nature
F-500 is non-corrosive, ensuring it does not damage equipment or surfaces. Additionally, it is non-toxic, making it safe for use in various environments.
Biodegradability and Environmental Safety
F-500 is biodegradable, which means it breaks down naturally without harming the environment. This makes it an excellent choice for environmentally conscious users.
Various Sizes of F-500 Fire Extinguishers
F-500 extinguishers are available in multiple sizes to meet different requirements. The most frequently used sizes are 4 litres and 9 litres.
4 Litres - The 4-litre F-500 extinguisher is compact and easy to manage, making it ideal for smaller fires and residential use. It is suitable for minor fire risks and is convenient to store and operate. This extinguisher has a fire rating of 2A:2B:3F, reflecting its effectiveness against different fire types.
9 Litres - The 9-litre F-500 extinguisher provides greater capacity, making it perfect for larger fires and commercial or industrial environments. It is designed for substantial fire risks and offers increased firefighting capability. With a higher fire rating of 3A:10B:4F, it is more efficient for larger fires.
The environment in which the extinguisher will be used also affects the choice. Smaller extinguishers may be needed for residential areas, while larger ones are suited for industrial locations.
Residential Use - The 4-litre F-500 extinguisher is generally adequate. It is simple to store and handle, making it perfect for home safety.
Commercial Use - The 9-litre F-500 extinguisher is advised due to the increased potential fire risks.
Industrial Use - The 9-litre extinguisher is the optimal choice, offering the capacity and performance necessary to combat larger fires.
Maintenance and Inspection
Regular upkeep is essential to ensure the extinguisher is always ready for use. This involves checking the pressure, inspecting for any damage, and confirming that the extinguisher is fully charged.
Inspections should be carried out routinely to verify that the extinguisher is in optimal working condition. This includes conducting visual examinations, checking pressure gauge readings, and ensuring the seals remain intact.
Conclusion
Choosing the appropriate fire extinguisher for lithium battery fires is vital for safety. The F-500 extinguisher is specifically designed to manage these fires, offering distinct advantages such as preventing reignition and being eco-friendly.
Picking the correct size and type of extinguisher ensures effective fire suppression and safety. Consider the specific requirements of your environment when making your decision.
For home use, the 4-litre F-500 extinguisher is advised. For commercial and industrial applications, the 9-litre model provides the necessary capacity to handle larger fires. Regular maintenance and inspections are crucial to maintain the extinguisher's effectiveness.
FAQs
What is the best fire extinguisher for lithium battery fires?
The F-500 extinguisher is considered one of the best for lithium battery fires due to its specialised formulation and effectiveness in preventing reignition.
How do F-500 extinguishers prevent reignition?
F-500 extinguishers prevent reignition by encapsulating the burning lithium particles and cooling the fire, which cuts off the oxygen supply and stops the fire from restarting.
Are F-500 extinguishers environmentally safe?
Yes, F-500 extinguishers are environmentally safe. They are non-toxic, non-corrosive, and biodegradable, making them a sustainable choice for

This article is intended to provide general information and is not customised for any individual's specific circumstances.









Comments