09/02/2026
Lithium-ion battery fires & “Class L”.
This viedo is one of many on Youtube providing some useful learning🔥
I watched this video recently and thought it was a really clear, practical explanation of why lithium-ion battery fires behave differently to traditional fires, and why the new ISO “Class L” classification has emerged internationally, however should be understood for what it is, not what it's being promoted as.
🚫There is no Class L Fire Extinguishers.
It does a great job of unpacking:
❗️Why lithium-ion battery fires don’t fit neatly into existing fire classes
❗️concepts like thermal runaway, cascading failure and re-ignition
❗️why extinguisher “solutions” are often oversold or misunderstood
👉 Well worth a watch from a learning and awareness perspective.
That said, it’s important to note the Australian context, with an Australian lens 🇦🇺.
In Australia and New Zealand, fire classes are defined under AS/NZS 1850:2009, which currently recognises Classes A, B, C, D, E and F.
At this stage, Class L is not adopted under Australian Standards, and therefore does not change extinguisher selection, compliance requirements or operational response in Australia.
So while Class L is a useful international concept for understanding risk, particularly as battery technology continues to evolve, our local compliance, training and equipment decisions still need to be grounded in Australian Standards.
The real value here isn’t the new letter, it’s the conversation:
👉understanding battery energy density and failure behaviour
👉recognising the limits of extinguishers
👉planning for isolation, cooling, re-ignition risk and scene management
Good learning, good discussion.
Know of another great video that explains it, would love to see it - share the link in the comments.
🔗 Video:
Training & Consulting: https://www.stachedtraining.comLithium-ion battery fires now have their own fire classification — Class L. But what does that actually...