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.