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50 Litre Lith-Ex Extinguisher - Wheeled

Product no: FLE50
In stock (1000000 items available)
  • Normal price: £4090.95
    Simply price: £3105.99 + VAT
    £3727.19 inc. VAT
Note: a £32.97 + vat technician visit charge will be added.
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The 50 Litre Lith-Ex extinguisher - wheeled is a high-capacity tool designed to handle the increasing danger of lithium-ion battery fires. Utilising Aqueous Vermiculite Dispersion (AVD), this extinguisher provides rapid and effective suppression, making it an indispensable tool for industrial facilities, battery storage areas, and manufacturing sites. With full CE marking and MED approval, it ensures reliable performance in high-risk environments. 

With its large 50L capacity, the Firechief Lith-Ex extinguisher offers extended firefighting power, ideal for larger-scale lithium-ion battery fires. The portable trolley design ensures easy manoeuvrability, allowing for quick deployment in emergencies. The AVD mist technology cools burning batteries effectively, stopping thermal runaway and preventing the fire from escalating.

Once applied, AVD forms a vermiculite-based barrier that encapsulates the fuel source, preventing reignition and the spread of fire. Non-toxic and environmentally safe, this extinguisher is a safe and sustainable choice for workplaces dealing with lithium-ion battery storage or industrial settings, the Firechief 50L Lith-Ex provides critical fire suppression when it matters most.


The Fire Risk of Lithium-Ion Batteries

Lithium-ion batteries are widely used in modern technology, from personal electronics to industrial energy systems. Despite their efficiency, these batteries can become unstable when damaged, overcharged, or exposed to extreme conditions. This instability can result in thermal runaway, a dangerous reaction that generates extreme heat, flammable gases and toxic smoke. 

Due to their ability to reignite even after initial suppression, lithium-ion battery fires require specialised extinguishing solutions. Lithium-ion battery fire extinguishers are engineered to combat these fires effectively, halting the chemical chain reaction and ensuring the fire is completely extinguished. 


How AVD Enhances Fire Suppression

Aqueous Vermiculite Dispersion (AVD) is a pioneering extinguishing agent specifically designed for lithium-ion battery fires. Made of suspended vermiculite platelets in water (17% vermiculite and 83% water), AVD has a viscosity similar to double cream and provides an unparalleled level of fire suppression. 

The Advantages of AVD

  • Instant Cooling - The water component cools the battery quickly, stopping the thermal runaway process.
  • Encapsulation - As the water evaporates, vermiculite creates a protective barrier over the battery, blocking heat, oxygen, and electrical conductivity to prevent re-ignition.
  • Non-Conductive - The vermiculite barrier is electrically insulating, ensuring the safe extinguishing of fires in environments with live electrical components.

With nearly twice the effectiveness of water for lithium-ion battery fires, AVD provides a safe and efficient solution. The Firechief 50L Lith-Ex fire trolley extinguisher harnesses this advanced technology to protect facilities, equipment, and personnel from the dangers of battery fires.


  • Suitable for lithium-ion battery-powered devices over 750Wh
  • 5-year warranty
  • MED approved
  • CE Marked
  • Fire rating: 
  • Capacity: 50 litres
  • Height: approx 1090mm
  • Width: 558mm
  • Filled weight: 100kg
  • Hose length: 5 metres
  • Temperature range: +5°C to +60°C
  • Discharge time: 14 minutes
  • Throw range: 5 metres
  • Manufactured by Firechief