Marine Battery Storage

In the marine sector, dependable power is essential for safety, navigation and comfort at sea. From yachts and sailing boats to commercial vessels and offshore platforms, reliable energy storage keeps equipment running smoothly. Batteries support lighting, navigation, communications, refrigeration and renewable charging systems onboard, and matter most when the vessel is away from shore power.
Ultracell has supplied batteries used in marine environments for more than two decades. Many of our ranges, including AGM, Gel, tubular and Lithium solutions, are used across boats, yachts and offshore systems worldwide. Manufactured under ISO 9001 certified quality management and ISO 14001 certified environmental management and tested, Ultracell batteries deliver stable power, long service life and maintenance free operation, even in challenging marine conditions.
Ultracell supplies sailors, boatbuilders and operators who need reliable energy storage at sea, with consistent quality and dependable technical support.
Batteries for Marine Applications
Marine systems need batteries that are compact, resilient and capable of repeated cycling under variable charging conditions. Ultracell batteries are designed to provide dependable energy for both essential onboard systems and leisure equipment. They integrate with renewable inputs such as solar panels or wind turbines, offering efficient storage for off grid sailing and extended time at anchor.
Whether running navigation electronics, powering refrigeration or supporting hybrid propulsion, Ultracell batteries provide the durability, endurance and safety required at sea. With ranges optimised for deep cycling, standby reliability and rapid recharge, Ultracell helps keep vessels powered in all conditions.









