Denchi’s custom marine battery systems deliver dependable power for offshore and subsea operations, built to withstand punishing environments with extreme temperatures, high pressures, and intense vibration. Whether applied in downhole MWD/LWD tools, pipeline inspection gauges, or advanced USVs and electric ferries, these battery systems are engineered for critical reliability.
Available in both rechargeable and primary formats, solutions are configured from the cell level up, ensuring peak performance and safety under mission-specific constraints. Each system is developed collaboratively, matching client requirements to Denchi’s depth of experience in lithium and alkaline chemistries, thermal and electrical control, and integrated battery management systems (BMS).
Compliance with UN38.3 and custom in-house abuse testing ensures safety throughout lifecycle phases, including active recycling and responsible material sourcing. From hybrid-drive propulsion to autonomous data-gathering platforms, Denchi’s custom energy storage enables seamless integration into marine and subsea technologies—delivering full-service support from design to deployment.