MG RS230 Marine Battery 51.2 V 230 Ah - 11.8 kWh

The RS230 Marine is a 51.2 V 230 Ah LiFePO4 module designed for high-power marine systems. Its IP65 housing, PowerLok shielded connectors, liquid thermal management, and Lloyd's type approval meet the demands of hybrid and electric installations.

Key features

• 11.8 kWh per module and 230 A continuous
• Lloyd's type approval
• Air or liquid cooling
• Modular architecture from 48 to 900 V DC

Intended use

Module for hybrid or electric vessels, industrial applications, and high-power storage systems with marine requirements.

Compatibility and prerequisites

• MG Master HV 300 controller required
• Up to 16 modules in series and 32 in parallel
• CAN M12 and power via PowerLok 300

Installation and safety

• Validate high-voltage architecture, insulation, contactors, and protections
• Provide natural convection or a properly sized liquid cooling circuit
• Order flexible connectors separately as needed

Included

• RS230 marine battery module with integrated slave BMS

To be ordered separately

• Master HV 300, PowerLok connectors, CAN cables, and hydraulic fittings
• High-voltage protections, contactors, cooling system, and mounting structure

Transport and handling

• Shipping weight: 95 kg
• Lithium battery classified as dangerous goods; specialized transport and handling required

Charging

• Charge voltage: 56.4 V
• Continuous charge current: 230 A (1.0 C)
• Maximum charge current: 230 A (1.0 C)
• Maximum charge voltage: 58.4 V
• Recommended charge current: < 115 A (0.5 C)
• Recommended charge current (air cooling): < 69 A (< 0.3C)

Configuration

• Parallel configuration: Up to 32 modules
• Series configuration: Up to 16 modules

Discharging

• Continuous discharge current: 230 A (1.0 C)
• Discharge cut-off voltage: 48.0 V
• Maximum discharge current: 345 A (1.5 C)
• Recommended discharge current: < 115 A (0.5 C)
• Recommended discharge current (air cooling): < 69 A (< 0.3C)

Environment

• Humidity (non-condensing): ≤ 95 %
• Operating temperature (charging): 0 to +55 °C
• Operating temperature (discharging): -20 to +55 °C
• Recommended operating temperature: +20 to +30 °C
• Recommended storage temperature: +10 to +35 °C

Mechanical specifications

• Cooling: Natural convection or liquid cooling
• Data connection: CAN Bus M12
• Height: 288 mm
• Ingress protection rating: IP65
• Length: 653 mm
• Power connection: PowerLok 300
• Weight: 95 kg
• Width: 389 mm

Safety

• Balancing: Passive
• Battery management system (BMS): Integrated slave BMS
• Compatible BMS controller: MG Master HV 300

Standards and approvals

• Approvals: Lloyd's
• EMC emissions: NEN-EN-IEC 61000-6-3:2021
• EMC immunity: EN-IEC 61000-6-1:2019
• Low-voltage directive: NEN-EN-IEC 60335-1:2024

Technical specifications

• Cell configuration: 16S1P
• Cycle life at 80 % depth of discharge: > 4000
• Nominal capacity: 230 Ah
• Nominal energy: 11.8 kWh
• Nominal voltage: 51.2 V
• Specific energy: 123 Wh/kg
• System voltage: 96 V
• Technology: LiFePO4

Logistics

• HS customs code: 8507600090
• Country of origin: Netherlands
• Shipping weight: 95 kg
• Classified as dangerous goods: Yes

Documentation

Official MG Energy datasheet - MGRS480230M

Integration advice: Verify voltage, currents, protections, cooling, and interfaces of the complete system before installation.