Custom battery solutions
Freber delivers custom-designed battery and energy solutions developed to meet specific requirements across a wide range of industries and demanding environments. We combine strong technical expertise, flexible production capabilities, and in-depth industry knowledge to deliver solutions that work in practice.
Design, production and assembly
At Freber, we work closely with our customers throughout the entire process, from needs assessment and concept development to the design, production, and assembly of complete battery solutions. Our solutions are developed with a strong focus on:
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safety and quality
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long service life and high reliability
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adaptation to environmental conditions, space constraints, power and voltage requirements
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seamless integration with existing systems
We assemble battery packs and systems tailored for both standardized and highly specialized applications.
Applications and Industries
Marine and Subsea
For marine and subsea applications, we deliver battery solutions that are:
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robust and waterproof
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resistant to saltwater and corrosion
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designed for demanding operation and long service life
These solutions are used in the maritime industry, offshore operations, subsea installations, and specialized equipment.
Backup Power, Emergency Power and Off-Grid
Freber provides battery-based backup and emergency power solutions for:
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critical infrastructure
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industrial installations
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off-grid and mobile applications
The systems can be delivered as standalone solutions or as an integrated part of larger energy systems.
Medical and Critical Equipment
We deliver medical-grade battery solutions developed for use in critical medical equipment, where reliability and safety are essential. The solutions are tailored to meet strict requirements for performance, documentation, and operational reliability.
Collaboration and Customization
Regardless of the application, our team works closely with you to:
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understand requirements and operating conditions
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design the optimal solution
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deliver a complete system tailored to your use
Freber is a technical partner, not just a supplier.



