A recent fire near Glasgow Central Station has highlighted how quickly a fire in a retail environment can escalate. While the exact cause remains under investigation, the incident is a timely reminder of the growing risks in spaces where lithium-ion powered products may be stored, sold or charged.
Lithium-ion batteries are now part of everyday life. They power everything from phones, laptops and power tools to e-bikes, scooters and vape devices. As their use continues to increase, so does the importance of understanding the fire risks they can present when something goes wrong.
Why lithium-ion battery fires are different
When a lithium-ion battery fails, the resulting fire can develop very differently from a conventional fire.
Under certain conditions, such as damage, overheating, overcharging or poor charging management, a battery can enter thermal runaway. Once this happens, the reaction can escalate rapidly and become extremely difficult to stop.
A lithium-ion battery fire may involve:
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rapid temperature rise
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venting of flammable gases
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violent flare-ups
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explosions
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re-ignition
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significant challenges for firefighting teams
In many cases, by the time flames are visible, the incident is already well developed.
Why early detection is so important
Because suppression becomes far more difficult once thermal runaway is fully established, early warning is critical.
Before a battery reaches the point of flaming combustion, there is often a stage where it begins to overheat abnormally. Detecting this rise in temperature early can provide valuable time to investigate the issue, isolate the affected area, raise the alarm and begin evacuation procedures if needed.
That is why early detection is becoming an essential part of fire protection strategy in environments where lithium-ion batteries are present.
Where the risk is increasing
Battery-related fire risks are no longer limited to specialist industrial settings. They are becoming more relevant across a wide range of environments, including:
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retail spaces
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warehouses and logistics centres
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charging stations
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transport hubs
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maintenance areas
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technical rooms
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energy storage applications
Across all these settings, the challenge is the same: identifying a developing problem before it becomes a fully developed fire.
How detection technology can help
There is no single detection method that suits every lithium-ion battery application. The most effective strategy depends on the environment, the nature of the risk, and the earliest sign of fire development.
In some lithium-ion battery failures, the earliest detectable indicator may be off-gassing from the cells, which can occur before smoke or heat is present.
This is where different fire detection technologies can play different roles.
Linear heat detection for overheating risks
In areas where heat build-up may be the earliest indication of failure, linear heat detection can provide an effective solution.
FFE’s Proreact linear heat detection can help monitor areas where batteries are stored, charged or installed, detecting abnormal heat rise along a defined route or within a specified zone. This can make it well suited to charging areas, service spaces, cable routes and storage environments where early heat detection may provide valuable warning time.
Aspirating smoke detection for enclosed spaces
In enclosed or higher-value spaces, aspirating smoke detection can provide very early warning of developing smoke.
FFE’s Sensis aspirating smoke detection is suited to applications where very early warning is important, such as battery rooms, technical spaces or enclosed storage environments. In these settings, identifying a developing issue at the earliest possible stage can support a faster response and help reduce the likelihood of escalation.
Beam smoke detection for large open areas
Where lithium-ion battery risks exist within larger buildings, protecting the wider space also remains important.
FFE’s Fireray beam smoke detection is designed for large open areas such as warehouses, logistics centres, retail spaces and transport buildings. While beam detection may not be the primary technology for monitoring an individual charging point, it can still play an important role in detecting smoke movement within the wider area if an incident develops.
The importance of a layered approach
As lithium-ion batteries become more common, fire protection strategies need to evolve alongside them.
In many buildings, the most effective approach may be a layered one, combining the right technologies for the right stage of risk. That may mean heat detection at charging or storage points, very early smoke detection in enclosed technical areas, and wider-area smoke detection across the building as a whole.
The key is understanding where the first signs of failure are most likely to appear and making sure the detection strategy is matched accordingly.
Final thoughts
Incidents like the recent Glasgow fire are an important reminder that fire risks are changing. As lithium-ion batteries become more widely used across retail, warehousing, infrastructure and public spaces, early detection has an increasingly important role to play in effective fire protection.
When battery-related fires escalate, they can do so very quickly. Detecting the warning signs early may provide the best opportunity to reduce risk, protect property and support a safer outcome.
If you are reviewing fire detection in battery storage, charging or handling areas, FFE can help identify the right technology for your environment.