768V&960V Marine Battery System

Basic Information

The design of the company’s marine battery system takes into comprehensive consideration factors such as cabin door size limitations, interior cabin height, and deck load-bearing capacity. Two mutually compatible battery pack products have been developed: a 4-column, 3-cluster 768V system and a 5-column, 3-cluster 960V system, which can be flexibly applied to ships with different voltage levels. Each battery rack has identical structural dimensions, allowing for flexible and rapid assembly within the cabin, and utilizes the same battery cluster control box (BCCB) for integration. An air hood and small fan are installed at the rear of the battery rack, creating a negative pressure environment within the hood to remove heat from the surface of the battery pack enclosure through forced convection, thereby regulating the temperature of the battery cluster. Depending on the vessel’s capacity requirements, multiple battery systems can be installed within the cabin.
According to the different needs of users, ships with 6000 tons or more use 2 or 4 sets, and the power is 1808 or 3616kW·h. According to the speed of 8 knots, the range is about 66 or 130km (not including auxiliary power) or the docking power time for more than 24 hours.
The battery system is a lithium battery storage device installed in the cabin, and its functions are as follows:

  • Provide all electrical power supply for the ship when it is moored in the port: such as air conditioning, lighting, water pumps and other instruments and equipment and domestic electricity.
  • The system is designed with Hybrid hybrid power function, providing an 8 knots pure electric speed when the vessel enters or leaves the port, significantly reducing fuel consumption, noise, and emissions, while improving the working environment for crew members. According to data quantification analysis, when applied to vessels with a displacement of 5,000 to 10,000 tons for shorter voyages, the overall fuel savings can reach over 15%.
  • Under the condition of being charged by an external power source(For example, our company’s 3.18MWh energy storage charging station), the comprehensive fuel-saving rate of ships can reach more than 30%.

768V&960V Marine Battery System

Certification

China Classification Society (CCS) and Bureau Veritas (BV)

Product Features

  • 768V battery system (usually used in ships of 5000 tons or less) The design is 4 columns and 3 clusters as a group, each cluster consists of 8 battery packs in series, with a nominal voltage of 768 V (voltage working range of 670~847V). The battery packs use 1P30S configuration and carry 314Ah cells. The power of a single cluster is 241kW·h, and the power of a group of 3 clusters is 723kW·h. According to the different needs of users, ships with 5000 tons or less use 2 or 4 sets, and the power is 1446 or 2892kW·h. According to the speed of 8 knots, the range is about 66 or 130km (not including auxiliary electricity) or the docking power time for more than 24 hours.
  • 960V battery system (usually used in ships of 6000 tons and above, including offshore cargo ships). The design is 5 columns and 3 clusters as a group, each cluster consists of 10 battery packs in series, the nominal voltage is 960 V (voltage working range is 840V~1060V). The battery pack adopts 1P30S configuration, equipped with 314Ah cells. The power of a single cluster is 301.44 kW·h, and the power of a group of 3 clusters is 904kW·h.

Application Scenarios

Applications

Used for energy storage on 1,000-10,000-ton inland container ships. Battery cluster products with flexible capacity combinations can be designed according to endurance requirements.

Market

Europe (Netherlands: inland waterway cargo transportation from Amsterdam to Rotterdam Port), China (Inland waterway cargo transportation on the Beijing-Hangzhou Grand Canal, Dongting Lake sand dredging projects, etc.)

Specifications

Project 768V Parameter 960V Parameter
Direct current voltage level of the ship 768V 960V
Working voltage range 670~847V 840~1060V
Battery PACK scheme for a single battery cluster 8 battery PACKS 10 battery PACKS
Nominal energy of a single battery cluster 241 kWh 301.44 kWh
Nominal energy of 3 battery clusters (a set) 720 kWh 904 kWh
Nominal energy ranges for different combinations (3 clusters per group) Group 1: 723 kWh
Group 2: 1446 kWh
Group 3: 2169 kWh
Group 4: 2812 kWh		 Group 1: 904kWh
Group 2: 1808kWh
Group 3: 2712kWh
Group 4: 3616kWh

FAQ

What are the differences between the 768V and 960V marine battery systems?

The main differences between the 768V and 960V marine battery systems are:

  • Structural Design 768V system uses 4-column 3-cluster design, 960V system uses 5-column 3-cluster design
  • Application Vessels 768V system typically used for vessels under 5,000 tons, 960V system for vessels over 6,000 tons
  • Voltage Range 768V system operates at 670~847V, 960V system at 840~1060V
  • Battery Configuration 768V system has 8 battery packs in series per cluster, 960V system has 10 battery packs in series per cluster
Why choose the 768V&960V Marine Battery System?

There are several important reasons to choose our 768V&960V marine battery systems:

  • Dual Certification Certified by both CCS (China Classification Society) and BV (Bureau Veritas) for reliable quality
  • Flexible Configuration Choose between 768V or 960V systems based on vessel tonnage and endurance requirements, supporting multiple combinations
  • High Efficiency Hybrid design achieves over 15% fuel savings, up to 30% with external power charging
  • Environmental Friendly Zero-emission pure electric navigation significantly reduces noise pollution
  • Intelligent Thermal Control Forced convection cooling with air hood and fan ensures stable battery system operation
How does the battery system perform in harsh environments?

Our 768V&960V marine battery systems offer excellent environmental adaptability:

  • Marine Environment Adaptability Specifically designed for ship operating environments, adapting to humid and salt spray conditions
  • Wide Temperature Range Intelligent air cooling system ensures stable operation under various temperature conditions
  • Robust Structure Rational battery rack design withstands vibrations and shocks during navigation
  • Safe and Reliable Multiple protection mechanisms ensure safe operation under extreme conditions
How to maintain this battery system?

The 768V&960V marine battery systems are easy to maintain:

  • Modular Design Battery clusters can be quickly disassembled for maintenance and replacement
  • Intelligent Monitoring Equipped with BCCB battery cluster control box for real-time battery status monitoring
  • Low Maintenance Cost Mature lithium battery technology with low maintenance frequency and long service life
  • Professional Technical Support We provide comprehensive technical support and maintenance services
What is the battery system's range capability?

Depending on vessel tonnage and configuration, our battery systems provide excellent range capability:

  • 768V System 2 sets of 1446kW·h can travel about 66km, 4 sets of 2892kW·h can travel about 130km
  • 960V System 2 sets of 1808kW·h can travel about 66km, 4 sets of 3616kW·h can travel about 130km
  • Berthing Power Supply Can maintain ship's electrical needs for over 24 hours while docked
  • Hybrid Power Pure electric navigation when entering/leaving ports significantly reduces fuel consumption