Class L Battery Fires - What Lithium-Ion Fires Are Finally Being Recognized For
The introduction of ISO 3941:2026 and the new Class L highlights the unique fire behaviour of lithium-ion batteries, including thermal runaway, gas-phase combustion, and reignition risks. While dedicated test standards for suppression systems are still under development, DSPA Aerosol offers a technically sound and proven solution tailored to these evolving challenges. This article explores the implications of Class L and how our 30-minute hold time and compartment protection capabilities align with real-world energy storage scenarios.