Our products

Lithium battery
lockers

Our S4FE lockers provide secure, certified storage and charging for lithium batteries. With integrated fire detection, suppression, and monitoring systems, they deliver peace of mind in any environment.
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Tailormade
solutions

Custom locker systems designed to fit your space, your needs, and your users. From one-time events to permanent installations. Built in Europe, supported from the heart of Europe.
Man is opening one of Mobile Locker's colorfull  lockers.

Full service

We offer a 360° solution. We handle everything from setup to client support, ensuring your lockers run smoothly without extra work for your team.

International certification & patented

Built with fire-resistant materials and tested for a minimum of 60 minutes containment.

Unique software

Innovative, in-house developed, API-driven software that gives you full control and real-time insights.

Automatic suppression system

Each compartment features smoke detection and integrated aerosol suppression technology.

About this product

S4FE lockers provide a certified and secure solution for storing and charging lithium e-bike batteries indoors. In case of thermal runaway, the fire is contained within the locker. The suppression system activates automatically, the fire brigade is alerted, and the fire is stopped for at least 60 minutes, preventing escalation and protecting people and property.

Fire-safe certified technology

The S4FE® lockers are certified under KIWA 21045 - SCP05 certification. The detection and control components are certified according to EN54-7 and EN12094-1 standards, while the extinguishing components are certified under K23001. Each cabinet includes multiple smoke detectors, automatic aerosol fire suppression, and direct connection to the building’s alarm system. The doors and walls of the lockers are extra thick, and the locking mechanism is reinforced for maximum security.

Smart charging and secure storage

Specifically designed for the e-mobility market, these lockers allow safe charging and secure storage of lithium e-bike batteries while minimizing the risk of thermal runaway and fire. The system automatically records who opens which locker, ensuring traceability and user safety.

Tested and proven performance

Every locker guarantees at least 60 minutes of fire containment. In case of ignition, the system detects, isolates, and suppresses the fire within seconds to prevent further damage. The integrated alert system ensures that the fire brigade is automatically contacted.

Unique design

Modular design for small and large installations.

S4FE lockers are available in multiple configurations, allowing easy integration into workplaces, bike parking areas, and residential facilities. Each S4FE setup includes a main terminal and a column of nine compartments as the base configuration. Every unit combines reliable hardware with smart monitoring software for seamless management and real-time safety control. To ensure maximum safety, each locker is equipped with an overdraft chimney and an overpressure valve, which safely release smoke and pressure in case of a thermal event.

S4FE seminar

Learn more about S4FE and lithium battery safety by watching the seminar on our seminar page.

It’s all about the details

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