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Marine batteries, power management systems and vessel efficiency solutions

Energy and power systems deliver the electrical and hydraulic capabilities that sustain long-duration ocean missions and remote subsea operations. From renewable energy harvesting to advanced power storage and distribution, these systems support continuous performance under demanding conditions. This category features manufacturers of underwater batteries, power management modules, energy harvesting technologies, and charging systems optimized for autonomous and crewed marine platforms.

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10 Leading Suppliers

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Denchi

Advanced Battery Systems for AUVs, UUVs & Subsea Energy Storage

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SCIO Technology

Innovative SCIO Brick® Battery System for Maritime Crewed & Uncrewed Vessels, and Infrastructure

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Kraken Robotics

Industry-Leading Underwater Imaging and Power Solutions for Demanding Professional Survey Applications

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Greenroom Robotics

Cutting-Edge Software & AI Solutions for Enabling Maritime Autonomy At Scale

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SubCtech

Marine Monitoring Systems for Surface & Underwater Vessels | Advanced Power Solutions for Subsea Vehicles

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Eberspaecher Vecture

Battery Management Systems (BMS) for Marine & Offshore Applications

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Cetasol

Intelligent AI-Powered Decision Support for Fuel Savings & Vessel Performance Tracking for Sustainable Maritime Operations

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Dynautics

Marine Vehicle Management Technologies: Marine Autopilots, Remote Control Systems, and Simulation Solutions

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DeepSea Power & Light

Robust and Reliable Underwater Cameras and Lighting Equipment

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Enix Power Solutions

Batteries & Battery Packs for Marine, Subsea & Oceanographic Applications

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14 Cutting-edge Solutions

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Custom Marine Batteries

Bespoke battery systems for subsea & hybrid-electric maritime platforms

...ver dependable power for offshore and subsea operations, built to withstand punishing environments... ...chi’s custom energy storage enables seamless integration into marine and subsea...

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BB-2590 Smart Battery

Rugged smart battery for tactical & marine electronic systems

...bling flexible power provisioning for diverse mission-critical systems, including unmanned marine... ... offers a high energy density of 302.4Wh and operates across an extreme temperature range from...

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SeaPower Batteries

Scalable high energy density subsea batteries for enhanced mission endurance

...market-leading energy density and endurance, and are designed as a modular and scalable capability... ...gether to form power banks of up to 5 MW, and the Kraken Fast Charger allows up to nine batteries to...

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Diagnosis & Charge Unit (DCU)

Rugged recharge unit with integrated ESS diagnostics

...U) is a mobile energy storage solution purpose-built for rapid, reliable recharging of Battery... ...a total charge power of up to 170 kW, allowing efficient parallel recharging at approximately 13 kW...

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Converter Skid (Power Skid PS)

Robust Subsea Power Skid with Integrated OPM

...onverter Skid (Power Skid PS) is a robust subsea power skid engineered to provide reliable,... ...dvanced Output Power Module (OPM) that ensures stable voltage regulation and efficient energy...

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Battery Storage Skid (BSS)

Advanced Marine-Grade Energy Storage System

...s a ruggedized energy storage system engineered for demanding subsea and offshore applications,... ...ons and output power levels, this system serves critical underwater instrumentation, AUV docking...

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Standard Subsea Batteries

Rechargeable Li-ion batteries for marine vehicles & equipment

...ng ROV and AUV power supplies, as well as for buoys and diving equipment. They can be charged...

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MarOps

Web-based consolidated management, planning & analysis for maritime assets

MarOps is a comprehensive Maritime Operations System engineered to centralize sensor and operational...

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IQ HV

Distributed BMS systems with central & module controllers & a high-voltage monitor

IQ HV is the distributed Battery Management System (BMS) offering within the GuardIon-IQ™ platform...

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IQ Power

High-current BMS with power sensing modules (100 A / 200 A / 300 A)

The IQ Power (V04306) is a compact Battery Management System (BMS) controller for integrated packs... ...ugh the V07043 Power Sensing Module family, with 100 A, 200 A, and 300 A options available. The...

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IQ Prime

BMS for small-to-medium packs with onboard MOSFETs

The IQ Prime (V04309) is a compact Battery Management System (BMS) designed for cost-sensitive small...

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IQ Pro

BMS for medium-to-large packs with external contactors

...ng whether the power path has switched as commanded. Redundant charge, discharge, and short-circuit...

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iHelm

Intelligent AI-powered energy optimization and decision support for the entire fleet

...rs to optimize energy use, reduce costs, and improve sustainability. It provides real-time... ...... to modify settings as required and receive real-time updates on total energy or fuel...

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Power Management Systems

Remotely limit & control power consumption for unmanned missions

...remotely limit power consumption for non-essential tasks and channel power into critical operations... ...ts can provide power to navigation lights, sensors, instruments, modems and even the SPECTRE unit...

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Suction Sail Installed on Wind-Powered Multipurpose Cargo Vessel

The completion of a 22-meter bound4blue eSAIL installation on the Na Hiro E Pae marks a breakthrough for multipurpose vessels, combining modern suction sail technology with regional connectivity across French Polynesia

Aug 11, 2026

Continuous Power Milestone Achieved for High-Voltage Underwater Platforms

SubCtech has successfully demonstrated 50 kW of continuous power for over 50 minutes on a 600 V underwater battery system, exceeding key performance targets using optimized established technology architecture

Aug 07, 2026

Product Spotlight: Cetasol’s iHelm Intelligent Vessel Management Platform

Explore Cetasol’s iHelm platform, leveraging AI, digital twin modelling, and real-time vessel data to enhance efficiency, reduce fuel consumption, and streamline regulatory compliance

Aug 07, 2026

Seaturns Launches Full-Scale Wave Energy Demonstrator

French wave energy pioneer Seaturns has successfully deployed its full-scale S1 demonstrator in the Atlantic, launching a critical offshore trial campaign monitored under a strategic collaboration with ESB

Jun 22, 2026

Evaluating Future Marine Fuel Pathways in Commercial Shipping

Cetasol examines how shipping companies are evaluating future marine fuel pathways using operational baselines, lifecycle emissions accounting, and data-driven transition planning to balance decarbonization goals with operational and commercial constraints

May 12, 2026

Kraken Robotics Secures $28 Million in Battery & Sonar Orders

Kraken Robotics has secured orders totaling approximately $28 million for its SeaPower batteries and Synthetic Aperture Sonar technology from five global clients

Apr 28, 2026

AI-Supported Voyage Optimization for Maritime Efficiency & Compliance

Cetasol details how AI-supported voyage optimization uses real-time operational data, weather inputs, and vessel-specific modeling to improve fuel efficiency, maintain schedule accuracy, and support regulatory compliance in maritime operations

Apr 28, 2026

Cetasol Details Data Driven Approaches to Maritime Decarbonization & Efficiency

Cetasol explores how data driven approaches are enabling maritime decarbonization through improved operational efficiency, continuous emissions measurement, and digital monitoring, supporting compliance and performance

Apr 10, 2026

Artificial Intelligence Enhances Ship Hull Resistance Prediction

SINTEF Ocean uses artificial intelligence and experimental data to improve hull resistance estimation, enabling faster and more accurate design of energy-efficient offshore platform supply vessels

Apr 07, 2026

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