SubCtech’s rechargeable Li-ion batteries have been optimized for marine and offshore applications, and are encased in titanium pressure housings for operation down to 6000 metres. The compact and lightweight batteries are ideal for long-term and deep-water deployments including ROV and AUV power supplies, and can be charged underwater.

A range of standard COTS (commercial off-the-shelf) batteries are available, and customized solutions are available for specific requirements in capacity, current, voltage, size and housing.