Electric & Hybrid Ship

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We provide independent analysis, verification and validation services, as well as training courses on maritime battery systems.
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All electric and hybrid ships with energy storage in large Li-ion batteries can provide significant reductions in fuel 
cost, maintenance and emissions as well as improved responsiveness, regularity and safety.
KOSCO AS provides decision-making support to ship owners, designers, yards and vendors for making vessels ready
for future  battery retrofit or battery operation today.
Based on technical and financial feasibility studies, we help you select the best option according to your operational
and environmental requirements.


Our battery services cover:
- Training course – Introduction to maritime battery systems
- Technical, economic and environmental analyses of power systems
- Battery Ready service for retrofits and new buildings
- Battery sizing and optimisation analyses
- Battery gassing, fire and explosion analyses
- Battery room risk analysis facilitation
- Qualification of battery-related systems
- Requirement specification assessment and design review
- Risk analyses (FMECA/HAZID)
- Test planning, management and execution
- Independent quality assurance, verification and validation
- Performance instrumentation, measurements and analyses of battery powered ships
- Hardware-in-the-loop (HIL) testing of battery management systems
KOSCO AS can assist you all the way from planning, concept design and approval in principle to a final business risk
and safety  risk analysis as required by KOSCO AS class requirements.
Choose to have a reliable, competent partner on your side – choose KOSCO AS
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KOSCO 354-MB – Next-Generation Marine Propulsion Battery System

1. Product Overview
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KOSCO 354-MB is a high-capacity lithium-ion battery cabinet developed for large-scale marine propulsion, particularly for electric and hybrid vessels requiring continuous megawatt-class discharge. It combines next-generation prismatic cell architecture, AI-enhanced battery intelligence, and precision-engineered thermal management in a robust, marine-certified enclosure.
This system enables superior energy density, thermal resilience, rapid charging capability, and predictive diagnostics for critical maritime operations.

2. Technical Specifications
  1. Model Name  :  KOSCO 354-MB
  2. Battery Type  :  High-density prismatic LFP / NMC hybrid (customer selectable)
  3. Nominal Voltage  :  768 VDC
  4. Rated Capacity  :  460 Ah per rack
  5. Total Energy (per cabinet)  :  354 kWh
  6. Scalability  :  Up to 20 cabinets in parallel (7.08 MWh total)
  7. Operating Temperature Range  :  -20°C to +55°C
  8. Cycle Life  :   >6,000 full cycles at 80% DoD
  9. Thermal System  :  Dual-loop liquid cooling with integrated heat exchangers
  10. BMS  :  Fault-tolerant, AI-enabled redundant BMS
  11. Enclosure Protection Rating  :  IP67 (enclosure), IP54 (service interfaces)
  12. Fire Suppression  :  Embedded aerosol system with thermal fuse cascade
  13. Vibration/Shock Tolerance  :  IEC 60068-2 / DNV Class-C compliant
  14. Certifications  :  IEC 62619, ISO 12405-2, UN38.3, DNV MPU ready

3. Internal Architecture
  1. Cell Module Arrangement  :  High-capacity 18s x 4 stacks in modular prismatic trays
  2. Conductive Busbars  :  Nickel-plated copper, laser-welded for low-resistance transfer
  3. Thermal Regulation  :  Independent coolant loops for modular temperature balance
  4. Live Monitoring  :  Real-time telemetry with sub-1 ms resolution (voltage, current, temperature)
  5. Power Output  :  Twin HVDC terminals (750–1000 VDC) with active load control
  6. Diagnostics  :  Embedded AI algorithm for cell aging and fault prediction

4. Operational Use Cases
  1. Applications  :  Ocean-going cargo vessels, naval auxiliaries, electric ferries, AUVs, deep-sea research ships
  2. Endurance  :  Over 3 hours at full propulsion load for hybrid-electric vessels
  3. Recharge Time  :  80% SoC in under 45 minutes using 1C industrial charging infrastructure
  4. Redundancy Scheme  :  N+1 battery bank architecture with cell-level bypass capability

5. Mechanical & Structural Design
  1. Housing  :  316L stainless steel with marine-grade anti-corrosion coating
  2. Cooling Interface  :  Dual DNV-approved quick-connect fluid ports
  3. Mounting Solution  :  Shock-absorbing skid rails and vibration-isolated cradle
  4. EMI Shielding  :  Multilayer electromagnetic insulation effective up to 3 GHz

6. Safety & Compliance
  1. Designed for compliance with:
    1. IMO 2020 marine emission standards
    2. IEC 62619 / UL 1973 cell and pack safety
    3. UN38.3 transportation certification
    4. DNV MPU (Marine Propulsion Unit) technical specification
  2. Safety Systems  :  Integrated thermal runaway isolation zones with multi-stage sensor response


7. Smart Systems & Fleet Integration
  • KOSCO INSIGHT AI™ Platform:
    1. Fleet-wide SoH (State of Health) mapping and diagnostics
    2. Predictive maintenance via machine learning models
    3. Remote firmware updates and real-time configuration
    4. Load simulation modeling for hybrid propulsion dynamics
8. Optional Upgrades
  1. Arctic-grade BMS for ultra-low temperature operations (-40°C)
  2. Dual-redundant inverter integration module (three-phase marine AC output)
  3. Integrated onboard charging handshake module (CCS2 / CHAdeMO compatible)
  4. Smart SoC display module for bridge interface visualization
For custom configurations, shipyard integration support, and OEM partnerships, please contact KOSCO SD.
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