Answering your questions about the LOXXER LOXK2000 VDMA Fire-Resistant Lithium Battery Cabinet

Lithium-ion batteries have become indispensable today. They are used in e-bikes, power tools, warehouses, technical services and various industrial applications. However, with this growth the risk of battery fires is also increasing.

More and more companies are therefore looking for a solution: a safe cabinet for their batteries!

But what exactly is a safe battery cabinet? How does such a fire-resistant battery cabinet actually work?
And what does the LOXXER LOXK2000 VDMA specifically do in case of smoke or fire development?

In this blog we explain it step by step!

Why is a fire-resistant cabinet for lithium batteries necessary?

Lithium-ion batteries can enter what is known as thermal runaway when damaged, overcharged or due to internal defects. This is a chain reaction in which:

• the temperature rises rapidly
• smoke develops
• a fire can break out
• there may be a risk of explosion
• toxic gases are released

A standard metal cabinet offers no protection against this.

A safe lithium battery cabinet must do much more than simply store batteries. It must:

✔ prevent fire spread
✔ detect smoke and temperature
✔ respond automatically
✔ stop charging
✔ comply with recognized safety standards

The LOXK2000 VDMA has been specifically developed as a safe storage and charging cabinet for lithium-ion batteries.

How does the LOXK2000 VDMA battery cabinet work?

The cabinet operates with an integrated safety system that continuously monitors conditions so that a battery entering thermal runaway is immediately detected and automatic intervention takes place when necessary.

Active ventilation against heat build-up

Charging batteries generates heat. To prevent overheating, the cabinet uses active ventilation:

• warm air is extracted at the top
• fresh air is drawn in at the bottom
• connection to an external ventilation system is possible

This keeps the internal climate stable and limits heat build-up. This makes the cabinet suitable for both lithium battery storage and safe charging of lithium batteries.

Dual detection: smoke and temperature

To avoid false alarms, the cabinet uses two detection systems:

• smoke detection
• temperature detection

A full alarm is only activated when both smoke development and a temperature increase are detected. This ensures reliable detection and prevents unnecessary interruptions.

What happens when smoke or temperature is detected?

The cabinet works in two phases.

Pre-alarm (early warning)

When smoke is detected or a temperature above 60°C is measured:

• charging stops automatically
• ventilation is switched off
• a pulsing siren sounds
• the status LED changes
• a signal can be sent to the fire alarm control panel

This gives staff the opportunity to intervene quickly before the situation escalates.

Full alarm

When both smoke and an increased temperature are detected:

• charging stops immediately
• ventilation remains switched off
• a continuous siren is activated
• the alarm indicator lights up red
• the optional aerosol fire suppression system is automatically activated

It is crucial that the cabinet remains closed to prevent fire spread.

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