The EFOY H2Rack is a modular hydrogen backup system built for critical, zero-downtime applications.

Delivering between 5 and 10 kW of power, it provides a scalable energy solution that integrates seamlessly into existing technical environments such as shelters, cabinets, and containerized systems.

Operational Security and Environmental Performance
At its core, the system uses hydrogen as a clean energy carrier to generate electricity with only water vapor as a byproduct. This makes it particularly well-suited for applications where both operational security and environmental performance are key considerations.

The rack-based architecture allows the system to be configured according to specific power requirements, with the ability to scale output by adding additional fuel cell modules as needed.

Ideal for Space-constrained Installations
The open rack design is engineered for flexibility and practicality. It enables straightforward integration into existing infrastructure while ensuring efficient thermal management through direct airflow. Its compact footprint makes it ideal for space-constrained installations, where traditional backup systems such as diesel generators may be impractical or undesirable.

The system is also optimized for hybrid setups, working alongside batteries or capacitors to deliver immediate response and sustained power over longer periods.

Securing Critical Infrastructure
In real-world applications, the EFOY H2Rack is widely used to secure critical infrastructure. Within telecommunications, it ensures continuous operation of mobile network sites, radio towers, and fiber optic nodes—especially in remote or off-grid locations where grid stability cannot be guaranteed. It plays a vital role in maintaining connectivity during outages, preventing disruptions to data transmission and communication services.

Also for Energy and Utility Sectors
Beyond telecom, the system is increasingly used in energy and utility sectors, where it safeguards control systems, monitoring stations, and grid infrastructure. It is also relevant for transportation networks, supporting signaling systems and critical roadside equipment, as well as for security and surveillance installations that require uninterrupted power in isolated areas.

In industrial environments, it can act as a reliable backup for automation systems and remote operations, where even short interruptions can lead to significant operational or financial impact.

A Future-proof Alternative to Conventional Backup
Because the EFOY H2Rack is both emission-free and low-maintenance, it offers a future-proof alternative to conventional backup technologies. It enables operators to meet increasing demands for sustainability while maintaining the highest level of energy resilience—ensuring that critical systems remain operational when it matters most.