Li-Ion battery LONG-JOHN

The SubSea PowerPack provides energy for deep-sea and shallow-water instrumentations. The Li-Ion cells are known as the worlds most reliable and most durable – longest lasting cells.
Because the excellent characteristics, the SubSea PowerPack is best used for off-shore, underwater / artic applications or any under other extreme conditions.


SubCtech GmbH
SubCtech GmbH

Wellseedamm 3,
24145 Kiel

+49 (0) 431-22039 880

+49 (0) 431-22039 881

Technical specifications

Nominal voltage14.4V, 25V or 50V
Open voltage16.8V, 29V or 58V
Min. voltage12V, 21V or 42V
Typical capacity670Wh
Max. capacity870Wh
Max. current7A, on request higher
Cell typeLi-Ion
Operating temperature-20°C to +60°C charging 0°C to +45°C
Operating depth2000m, 4000m, 6000m
DimensionsØ 90 mm, total length 530mm
Weight in air7kg
Weight in water2kg

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