Batterie LFP MG 25,6 V 304 Ah - 7,8 kWh - vue 1 - MGLFP240304

Batterie LFP MG 25,6 V 304 Ah - 7,8 kWh - vue 2 - MGLFP240304

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MG ENERGY

MGLFP240304

LFP Battery MG 25.6 V 304 Ah - 7.8 kWh

This 25.6 V 304 Ah LiFePO4 battery packs 7.8 kWh and can be wired in series or parallel. It suits custom-sized storage systems, up to four modules in series for 96 V DC.

On request

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Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

Opt for additional installation assistance

Detailed description

This LiFePO4 battery 25.6 V 304 Ah delivers 7.8 kWh and can be wired in series or parallel. Suitable for custom-sized storage systems, up to four modules in series for a continuous 96 V.

Key features

Nominal energy 7.8 kWh and capacity 304 Ah
Over 4,000 cycles at 80 % depth of discharge
Up to 4 modules in series and 96 in parallel
Certified IEC-EN 62620 / ES-TRIN

Applications

Designed for 24 to 96 V high-capacity systems for propulsion, heavy-duty services, or professional energy storage.

Compatibility and prerequisites

Requires MG Master HV 500 G2 controller
Up to 4 identical modules in series and 96 in parallel
CAN connection via RJ45

Installation and safety

Wiring and protection sizing for continuous 304 A
Crimped cables on M8 terminals, 20 Nm torque
Series/parallel architecture must be validated as a complete system

Included

Battery module with slave BMS and internal 300 A fuse

To be supplied separately

Master HV 500 G2, CAN cables and power cables
Protection devices, contactors, mounting and compartment ventilation

Transport and handling

Shipping weight: 55.5 kg
Lithium battery classified as dangerous goods; specialized handling and transport required

Charging

Charge voltage: 28.2 V
Continuous charge current: 304 A (1.0 C)
Max. 10 s charge current: 304 A (1.0 C)
Max. charge voltage: 29.2 V
Recommended charge current: < 152 A (0.5 C)

Configuration

Parallel configuration: Up to 96 modules
Series configuration: Up to 4 modules

Discharge

Continuous discharge current: 304 A (1.0 C)
Discharge cut-off voltage: 24.0 V
Max. discharge current: 456 A (1.5 C)
Recommended discharge current: < 152 A (0.5 C)

Environmental

Humidity (non-condensing): ≤ 95 %
Operating temperature (charging): 0 to +45 °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: Air, natural convection
Data connection: CAN Bus RJ45
Housing material: Metal
Height: 294 mm
Ingress protection rating: IP30
Length: 652 mm
Power connection: M8 terminal (20 Nm)
Weight: 54 kg
Width: 193 mm

Safety

Balancing: Passive
Battery management system (BMS): Integrated slave BMS
Compatible BMS controller: MG Master HV 500 G2
Fuses: 300 A, internal fuse

Standards and certifications

Certifications: IEC-EN62620 (ES-TRIN)
EMC emissions: EN-IEC 61000-6-3:2007/A1:2011/C11:2012
EMC immunity: EN-IEC 61000-6-1:2007
Low voltage directive: EN 60335-1:2012/AC:2014

Technical specifications

Cell configuration: 8S1P
Service life at 80 % depth of discharge: > 4000
Nominal capacity: 304 Ah
Nominal energy: 7.8 kWh
Nominal voltage: 25.6 V
Specific energy: 145 Wh/kg
System voltage: 96 V
Technology: LiFePO4

Logistics

Customs code (HS): 8507600090
Country of origin: Netherlands
Shipping weight: 55.5 kg
Classified as dangerous goods: Yes

Documentation

Official MG Energy datasheet - MGLFP240304

Integration advice: verify voltage, currents, protection, cooling and interfaces of the complete system prior to installation.

Expert opinion

Pol CONIN

Digital Manager

« Expert review — MG LFP battery 25.6 V 304 Ah - 7.8 kWh »

The MG LFP 25.6V 304Ah battery represents a cutting-edge energy solution, specifically designed for demanding marine and industrial systems. Its third-generation LiFePO4 chemistry ensures not only high intrinsic safety but also optimized lifespan with over 4,000 cycles at 80% depth of discharge—a critical criterion for high-usage applications such as electric propulsion or large-scale service systems.

Integrating a slave BMS in each module simplifies cell management and balancing, but it is crucial to emphasize the need for an MG Master controller (such as the HV 500 G2) to ensure overall system supervision, safety, and automatic configuration. This modular architecture enables the design of scalable battery banks from 24V to 96V, and capacities exceeding 1 MWh in parallel, offering remarkable flexibility for custom installations—from large cruising sailboats to professional vessels.

The connection via CAN Bus RJ45, NMEA2000-compatible, is a major asset for integration with existing navigation and onboard management systems, facilitating centralized monitoring and control. However, its IP30 protection rating means installation must be carried out in a dry, well-ventilated compartment, protected from moisture and water spray. The 54 kg weight and classification as dangerous goods for transport are logistical and installation aspects that must be anticipated with rigor. This battery module positions itself as a strategic choice for integrators and end users seeking a reliable, scalable, and high-performance solution for critical energy applications in marine environments.

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LFP Battery MG 25.6 V 304 Ah - 7.8 kWh

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Frequently Asked Questions

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What is the technology of this MG Energy battery?

This battery uses LiFePO4 (Lithium Iron Phosphate) technology, known for its safety and reliability.

What is the energy capacity and nominal capacity of this battery?

The battery provides a nominal energy of 7.8 kWh and a nominal capacity of 304 Ah.

What is the nominal voltage of the LFP battery 25.6 V?

The nominal voltage of this battery is 25.6 V.

What is the weight of the MG LFP 25.6 V 304 Ah battery?

The battery weighs 54 kg.

What are the physical dimensions of the battery?

The battery dimensions are as follows:

Height: 294 mmLength: 652 mmWidth: 193 mm

What is the cycle life of this LiFePO4 battery?

The battery has a lifespan of over 4,000 cycles at 80% depth of discharge (DOD). End of life is defined as 70% of initial capacity at 25 °C.

What is the ingress protection rating (IP) of this battery?

The battery has an IP30 protection rating, meaning it is protected against solid objects larger than 2.5 mm but not protected against liquids.

What is the maximum continuous discharge current of the battery?

The maximum continuous discharge current of the battery is 304 A (1.0 C).

What is the discharge cut-off voltage of the battery?

The battery discharge cutoff voltage is 24.0 V.

What are the operating temperature ranges for charging and discharging?

Operating temperature ranges are:

Charging: 0 to +45 °C
Discharging: -20 to +55 °C
Recommended operating temperature: +20 to +30 °C

Which master BMS controller is required to use this battery?

The MG Master HV 500 G2 controller is required for proper operation and management of this battery.

How many modules of this battery can be connected in series?

You can connect up to 4 identical modules of this battery in series to reach a system voltage of up to 96 V DC.

How many modules can be connected in parallel?

It is possible to connect up to 96 modules of this battery in parallel to increase system capacity.

What type of data connection is used for communication with the master BMS?

The data connection for communication is of type CAN Bus RJ45.

What voltage systems is this battery suitable for?

This battery is suitable for 24 V, 48 V, 72 V, and 96 V battery banks.

What are the specifications for power cable connections?

Power cables must be crimped onto M8 terminals. Connections must be tightened to 20 Nm. Wiring and protections must be sized for a continuous current of 304 A.

Is the battery supplied with an integrated Battery Management System (BMS)?

Yes, each battery module comes with an integrated slave BMS.

Is there an internal fuse in the battery?

Yes, the battery is equipped with an internal 300 A fuse. For high-power applications, these fuses can be replaced by non-fused battery poles, in which case each battery bank must be protected by a fuse elsewhere in the circuit.