Companies

Lehmann Marine

Lehmann Marine engineers and manufactures advanced LFP battery systems for the maritime industry. Based near Hamburg, Germany, the company combines innovative air- and water-cooled technologies with marine-certified safety and performance, ensuring dependable, sustainable energy for vessels of every class.

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Maritime Engineering Expertise

Our engineers design and produce advanced battery systems that meet the highest of the maritime industry standards. We deliver tailored solutions for electric propulsion, hybrid power, and onboard energy storage.

Certified Quality & Sustainability

Approved by Bureau Veritas, DNV, Lloyd’s Register, and RINA, our systems meet top safety and performance standards. Built with LFP Cell chemistry, they are cobalt- and nickel-free — safe, reliable, and environmentally responsible.

Innovation & Product Range

Our portfolio includes CUBE system, a modular, air-cooled system for scalable energy storage, and AQUBE system, a water-cooled, high-power solution for hybrid and electric vessels. Each is built for flexibility, efficiency, and long service life.

Your Partner for Marine Energy Solutions

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Operating as both an engineering and production hub, Lehmann Marine delivers certified battery systems, integration support, and responsive after-sales service to electrical integrators, designers, shipbuilder and vessel owners worldwide. Located in Seevetal-Hittfeld, near Hamburg, the company’s modern production facility ensures reliable quality and fast delivery across leading maritime regions.

Part of the Sunlight Group Global Network

As part of Sunlight Group, Lehmann Marine benefits from global R&D expertise, large-scale manufacturing capacity, and an international support infrastructure. Together, we deliver innovative, reliable, and sustainable energy solutions to power the world’s transition to cleaner marine operations.