| Company profile | TESVOLT OCEAN GmbH was founded in 2024 and is headquartered in Lübeck, Germany. The company develops and manufactures advanced lithium-ion energy storage systems tailored for maritime applications. As a joint venture between TESVOLT AG (Germany) and Ocean Batteries AS (Norway), TESVOLT OCEAN combines proven battery expertise with in-depth marine experience. The team of engineers and maritime specialists focuses on DNV- and RINA-certified solutions that ensure high safety, performance, and lifetime for electric and hybrid vessels.
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| Products & Services | • Kaptein NMC Navigator (long variant) – air- and liquid-cooled high-energy marine battery system
• Kaptein NMC Compass (short variant) – air- and liquid-cooled modular marine battery system
• Integrated fire safety, gas management, and monitoring systems
• DNV/RINA certification and system integration support
• Lifetime and performance simulation tools
• Global service and maintenance programs
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| References and export activities | TESVOLT OCEAN supplies battery systems for hybrid ferries, offshore service vessels, passenger ships, and research vessels.
The company supports multiple newbuild and retrofit projects in Europe, Asia, and Australia and collaborates with leading shipyards, integrators, and classification societies.
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| Target group | Shipyards, system integrators, and vessel operators focusing on electric or hybrid propulsion for ferries, workboats, offshore and passenger vessels.
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| Competitive advantages | • DNV/RINA-certified maritime battery systems
• High energy density and compact design
• Integrated safety concept including active fire suppression
• Modular, scalable system architecture
• Lifetime service, monitoring, and spare-parts concept
• “Made in Germany” reliability and transparency
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| Ideal Business Partners | Shipyards, system integrators, and technology partners with a focus on sustainable vessel electrification and hybrid propulsion systems.
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