Aquarius develops, manufactures, and distributes linear internal combustion engines, based on the company's proprietary two-sided free piston linear engine, which can also be integrated into generators for off-grid electricity or boosting electric powertrains.

With only one moving part, the Aquarius engine is compact and lightweight, allowing for reduced manufacturing and maintenance costs.The Aquarius generator is developed and built to meet robust requirements for availability, reliability, redundancy, remote control, and cost efficiency.