Wellseedamm 1-3, 24145 Kiel, Germany


Ocean Engineering

With more than 10 years of experience, SubCtech has established its position among leading manufacturers of ocean and subsea technology for industry and science.

Ocean Monitoring

Leading manufacturer of autonomous underway measurement systems (FerryBox) for pCO2 and other parameters. From ultra-compact instruments to complete rack systems.

What We Offer

Our Products

Standard Batteries

Rechargeable Li-Ion batteries are amongst the most efficient batteries

Subsea Batteries

High power underwater Lithium-Ion rechargeable batteries

Vehicle Batteries

Li-ion batteries built in the Li-Ion PowerPack™ for AUVs and other vehicles

OceanPack™ RACK

The environmental monitoring and exploration of the sea

OceanPack™ CUBE

Very compact and uses the 19” format, which is established as an industrial standard

OceanPack™ RACE

Innovative climate data acquisition at the ocean-atmosphere interface

About Our



SubCtech develops state-of-the-art maritime technologies in two business units:

Ocean Power

Our fully approved high-efficiency Li-Ion batteries guarantee high-reliability AND high-safety for your AUVs, ROVs or offshore subsea Oil+Gas applications. We offer qualifications according to API17F, MIL-STD, UN T38.3, DNV-GL and others.

Ocean Monitoring

Standardized underway (“FerryBox”) and subsea measurement systems enable you to investigate any parameter at any place and in any depth of the ocean. We produce optical CO2 analyzers with autocalibration according to SOCAT standard.

SubCtech philosophy: highest quality and reliability; innovative, flexible and customized solutions. With our flexible R&D department, we solve specific customer requirements.

Our initiative: gosubsea 3000®


For Quotes


Get in touch:  (+49) 431-22039-880 or write us an e-mail

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    Mike Naismith, Dipl.-Geol.

    Head of Sales & Support

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