SeaBatt 17

SeaBatt 17

An extremely high-energy, compact, and light-weight battery system for the surface waters down to 12,000 meters.

SeaBatt 17 is a compact glass sphere housing up to thirty-two high-energy density Li-Ion battery packs with a robust battery management system. It features underwater connectors for charging and discharging and battery monitoring.

SeaBatt 17 is an ideal solution for powering a wide array of underwater instruments.

Deep-water glassinstrument housing


Reliable PowerManagement

Custom InternalFrame

Vitrovex Instrumentation Housings Subconn Underwater Connectors Ocean Server Power Systems Custom Internal Frames


  • 17 inch glass instrumentation housing
  • Light weight
  • 6700, 9000, 12000 meter rating
  • Configured with underwater connectors
  • Up to 2848 Whr Lithium-Ion battery capacity
  • 11 – 16 Volts raw battery output
  • Long life and low maintenance
  • Highly corrosion resistant
  • Suitable for passenger air transport


  • Underwater battery powered systems
  • Positive or neutral buoyacy sea batteries
  • Upgrade instrumentation to latest battery technology

17″ Vitrovex glass sphere from
Nautilus Marine Services GmbH


Model Depth Rating (m) Outer Diameter (mm) Glass Thickness (mm) Weight In air (kg) Net Buoancy (N)
NMS-IS-6700-VP 6700 17″ (432) 14 38 lbs (17.2) 260
NMS-IS-9000-VP 9000 17″ (432) 18 48 lbs (21.7) 215
NMS-IS-12000-VP 12000 17″ (432) 21 56 (25.4) 180


Underwater bulkhead connectors:
Two connectors for charging, four for discharging, and one for RS-232 battery controller communication.

Vacuum port:
Gas purging and vacuum sealing of sphere.

Thirty-two 89 Whr Li-ion batteries (2848 Whr total). 12V-24V output options available.
External charger 110/220 VAC 50/60 Hz.
32A max charge current (6.6 hours to charge).
1600W max power output (111A@14V).

Options and Part Numbers

Use the following part numbers plus any additional options shown below:
SeaBatt17067 for 6700m, SeaBatt17090 for 9000m, and SeaBatt17120 for 12000m.

Pressure test to glass rating with underwater connectors.
Extra Sealant band Terostat 81.
Extra Protective tape Scotchrap 50.
Protective shell.

For example, to order the SeaBatt 17 6700m with pressure test and protective shell use:




Please Contact Us to place an order or to request more information.