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6 tips for buying lithium-ion battery cabinets

Do you use lithium-ion batteries in your business? If you do, it is vital to store them safely. The correct storage means better protection from thermal runaway, fire, and toxic gas emissions. Your storage should maintain a constant temperature, protect against moisture, offer safe charging, and protect against mechanical damage.

Regulations are not keeping up with the safety needs for safe lithium battery storage. However, insurance companies are quickly realising how critical this is. We’re here to help you navigate safe lithium-ion battery storage requirements. We have listed six important considerations when buying lithium batteries or planning lithium-ion battery storage.

1. Make sure your storage has protection against internal fire

Ordinary fire-rated cabinets are designed to withstand fires that start on the outside. These cabinets will not withstand a fire with lithium-ion batteries starting from within. This is an important distinction. You should ensure all storage cabinets for lithium-ion batteries are rated for fires beginning from inside the cabinet. Without this, the protection is inadequate. The cabinet must withstand an internal fire for at least 90 minutes and be tested and approved to SS-EN-1363-1 for inner fire.

2. Ensure that your cabinet as integral ventilation

Lithium-ion batteries must be stored and charged in the correct conditions to avoid thermal runaway and subsequent fire risk. Hot air should be vented constantly to prevent overheating. Integrated ventilation is essential as it removes any heated air generated. The gases from thermal runaway and lithium-ion fires are highly toxic.

3. Charge lithium-ion batteries safely

If the storage cabinet is likely to be used as a charging station, it should be built explicitly for this purpose and include all the critical safety measures needed from the outset. It can be more expensive and dangerous to connect charging facilities yourself at a later stage. A purpose-built lithium-ion cabinet has high-specification features, including metal-encased and grounded electrical outlets. The socket strip should be ready for use and mounted on the cabinet's rear wall.

For a safe battery cabinet for lithium / lithium-ion batteries the 3 points below should also be met:

4. Have a proper alarm

Lithium-ion battery powered bikes, tools and other electronics are often used during the day and charged at night. This explains why most fires occur at night. Make sure you have a cabinet that has a proper alarm system that is wired with electronic controls, including a potential-free alarm contact for building control. There are different alarm modules where alarm indication can be via an overall alarm system or SMS. A unique fire suppression system inhibits the development of the fire and gives those in the surroundings time to react and take action.

5. Ensure that it is possible to evacuate the cabinet

Place the cabinet near an exit so it can be easily moved outside in case of a fire inside the cabinet. Purpose-built lithium-ion battery storage cabinets are heavy, about 500 kg, so make sure you have an integrated base to evacuate the cabinet with a forklift in case of a fire and if the cabinet needs to be moved for other reasons. If you have a cabinet without a base, which is directly on the ground, you cannot evacuate or move the cabinet without a great deal of difficulty.

6. Check the fire protection is tested

The market is exploding with battery cabinets, and sometimes, suppliers are moving too fast. Therefore, it is essential to carefully check what certificates are available and how long the cabinet can withstand a fire. Ask verification questions of suppliers so that you are fully protected. To be sure, request documentation and certificates of tests and approvals carried out.


As a global company, DENIOS has been working for several years to understand how different countries, insurance companies and authorities view lithium-ion batteries in particular. Based on the patterns they see, recommendations are made to prevent the problems rather than waiting for incidents to occur with tightened legal requirements. As a result of this work, DENIOS is the first to have a certified secure storage solution.

Storage for Lithium Batteries

Improper handling of lithium batteries is a high risk. Deep discharge, fire, chemical reaction, and even explosion are dangerous for employees, business operations and the environment. We have over 30 years of experience providing storage for hazardous materials - you can be confident in the solutions we provide.

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Test Rooms for Lithium Batteries

Lithium energy storage devices or products with built-in lithium batteries, such as domestic appliances, tools or electric vehicles, have to be thoroughly tested before they are approved for sale. The planning of a safe test environment must take many aspects into account. For this reason, lithium test rooms are almost always designed to customer-specific specifications. We are happy to provide solutions for your needs.

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Lithium-ion Cabinets

DENIOS Lithium-ion cabinets are tested according to EN-14470-1 and give 90 minutes of fire protection from outside to inside and 90 minutes of fire resistance from inside to out. Our product range offers safety cabinets for storing and charging your lithium batteries.

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