SubCtech part of AOK business run 2025 in Kiel!
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Leading manufacturer of subsea & UPS, ROV and AUV batteries. Various application areas, ranging from marine research and monitoring to offshore industrial oil and gas projects.
Leading manufacturer of autonomous underway measurement systems (FerryBox) for pCO2 and other parameters. From ultra-compact instruments to complete rack systems.
Leading manufacturer of subsea & UPS, ROV and AUV batteries. Various application areas, ranging from marine research and monitoring to offshore industrial oil and gas projects.
Leading manufacturer of autonomous underway measurement systems (FerryBox) for pCO2 and other parameters. From complete rack systems to compact and lightweight analyzers.
Rechargeable Li-ion batteries are amongst the most efficient batteries
High power underwater Lithium-Ion rechargeable batteries
Li-ion batteries built in the Li-Ion PowerPack™ for AUVs and other vehicles
High-Performance, highly reliable and high-safety Li-ion Energy Storage System (ESS) for offshore subsea applications.
We build batteries to your needs
Our charger technology charges the PowerPacks™ safely and gently
The environmental monitoring and exploration of the sea
Very compact and uses the 19” format, which is established as an industrial standard
Innovative climate data acquisition at the ocean-atmosphere interface
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.
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.
Get in touch: (+49) 431-22039-880 or write us an e-mail
Head of Sales & Support
SubCtech part of AOK business run 2025 in Kiel!
The exhibition will start on 08/04/ - come and meet us at booth N10!
The exhibition will start on 08/04/ - come and meet us at booth N10!
ESS video presentation on new Youtube-channel
SubCtech is taking a bold step in sustainable offshore energy with the manufacturing of its next 1 MWh battery system for subsea deployment.
A pivotal component of this scientific endeavor is the OceanPack RACE system installed on Malizia - Seaexplorer
We had the pleasure of hosting a workshop on our cutting-edge pCO2 technology at the ICYMARE International Conference for YOUNG Marine Researchers in Bremen.
SubCtech is supporting the crew throughout the expeditions and has equipped the ‘Dagmar Aaen’ with scientific equipment!
SubCtech GmbH is making headlines with its cutting-edge OceanPack systems!
Mocean Energy and SubCtech will explore how wave and solar generation can be coupled with batteries to deliver continuous low carbon power and communications to a
The 2024 edition of the ONS in Stavanger comes to an end - meet us at hall 2, booth 2185!
The 2024 edition of the ONS in Stavanger just started - meet us at hall 2, booth 2185! Join our exhibtion-diary!
On the last day of school before the holidays, SubCtech made a donation of €15,000 to Schüler Segeln SH e.V.
World Ocean Day - TDM24 in Kiel - meet us at Kiellinie booth 27!
SubCtech part of AOK business run 2024 in Kiel!
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