How to choose a secure lithium-ion battery safe? We explain it!

1. 1. Ask about the VDMA 24994 test requirements

The latest development in battery safety is the VDMA 24994. These test requirements have been published by the German standardisation body DIN and are designed to test battery safes for their resistance to extreme conditions, such as a battery fire or explosion when a battery goes into thermal runaway. The goal? The cabinet must keep the doors closed under high pressure and guarantee the safety of the surroundings.

At present, there are no battery safes that fully meet these requirements. If a provider claims that their safe does meet them, always ask for the official test report. If they cannot show it, that’s a clear red flag.

2. Ask where the safe was tested

If a provider says that the cabinet has been tested, ask where that test took place. Some safes, for example, are tested in Japan or South Korea. But an independent test by a reputable European institute offers more certainty about the quality. A good example is the German test institute MPA Dresden, part of the Kiwa group.

3. Invest in quality

A secure lithium-ion battery safe must be strong enough to withstand the force of an internal explosion. The doors should never burst open. A solid locking mechanism, such as a certified double-bit security lock, is a must.

Do you come across a battery safe with a cylinder lock? Pay close attention. Cylinder locks are often used for simple applications like cash boxes. You’ll quickly realise that this doesn’t offer the safety you need for storing dangerous lithium-ion batteries.

So, don’t go for the cheapest option, but choose a battery safe that is truly safe and meets stringent standards. Safety comes at a price, but it pales in comparison to the potential damage or business downtime after an accident. Read more in our blog Battery safe or battery cabinet, what’s the diffrence?

4. Consult experts and discuss with your insurer

Choosing a secure battery safe can be quite complex. Therefore, seek advice from experts and consult with your insurer about the specific requirements they have.

A good partnership with your insurer not only helps you make the right choice but also ensures a smooth acceptance process.

Risk expert Bart van de Broek from insurer Nationale-Nederlanden explains how this works in an interview.