SeaBatt 13

SeaBatt 13

An ultra high-energy, compact, and light-weight battery system for the surface waters down to 7,000 meters.

SeaBatt 13 is a compact glass sphere housing up to twelve high-energy density Li-Ion battery packs with a robust battery management system. It features underwater connectors for charging, discharging and battery monitoring.

SeaBatt 13 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


  • 13 inch glass instrumentation housing
  • Light weight
  • 7000 meter rating
  • Configured with underwater connectors
  • Up to 1068 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

13″ 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-7000-VP 7000 13″ (330.2) 12 19 lbs (8.5) 107


Underwater bulkhead connectors:
One connector for charging, two for discharging, and one for RS-232 battery controller communication.
Vacuum port:
Gas purging and vacuum sealing of sphere.
Twelve 89 Whr Li-ion batteries (1068 Whr total). 12V-24V output options available.
External charger 110/220 VAC 50/60 Hz.
12A max charge current (6.6 hours to charge).
600W max power output (41A@14V).

Options and Part Numbers

Use the following part number plus any additional options shown below:

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 13 with pressure test and protective shell use:




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