The Lithium-ion Battery that’s Built to Perform
Safety. Durability. Reliability.
For commercial vessels operating in demanding conditions, energy systems aren’t just components. They are the backbone of safe, reliable operations.
Lithionics designs and assembles advanced lithium-ion battery systems for marine applications. Built with safety, reliability, and compliance at their core, our systems keep vessels powered even in the most regulated and challenging environments, where downtime is not an option.
Catch our VP of Engineering’s session on “Next-Gen Power for Workboat: Safety, Efficiency, and Sustainability,” at the International WorkBoat Show on December 4, 2025, 1:30–2:15 PM in Classroom 2.
Lithionics Marine Vent Guard
The Marine Vent Guard adds an extra layer of safety to our E-Series batteries by controlling internal pressure and guiding exhaust safely—helping vessels align with key ASTM F3353-19 and ABS safety expectations for marine lithium systems.
It starts with pressure control: A smart membrane releases excess pressure during normal operation to keep the battery stable.
If an issue ever occurs: VENTGUARD directs exhaust along a safe, controlled path—protecting people and equipment on board.
And it’s built for the marine world: A rugged metal housing resists corrosion, heat, and the toughest offshore conditions.
Tough. Reliable. Marine-Ready.
- Airplane-grade aluminum housings withstand vibration & moisture
- UL 1973 certified for fire, impact, and thermal safety
- Compliant with U.S. Coast Guard vessel inspection standards
- Covered by multi-million-dollar product liability insurance
- Engineered in USA: Designed, assembled & tested in FL
Lithionics Power Onboard
One of the largest custom marine battery systems designed by Lithionics and Ocean Planet Energy, Firefly features a powerful dual-system design—seamlessly supporting both propulsion and house power with zero emissions.
Explore Our Lithium-Ion Solutions for Every Adventure