The LGNE 1254 kWh Mobile Energy Storage System is a high-capacity, transportable power solution developed for mining sites, large construction projects, equipment fleets and locations with limited grid capacity.
The system integrates a 1254 kWh LFP battery, a 750 kW power conversion system, four CCS2 DC fast-charging outputs, four CCS2 DC charging inputs, thermal management, fire protection and intelligent control within a truck-deployable enclosure. Each DC output supports up to 200 kW, providing a maximum combined DC charging capability of 800 kW.
A 400 Vac main AC input/output connection rated at 2 × 600 A supports up to 750 kW system power, while a 230 Vac / 32 A CEE auxiliary output supports site equipment and auxiliary loads. Charging interfaces, AC connections and power configurations can be adapted according to project requirements.
Field deployment for high-power construction-equipment charging.
Key Features
High-Power Mobile Charging and Temporary Power Supply
The LGNE 1254 kWh Mobile Energy Storage System is a high-capacity, transportable power solution developed for mining sites, large construction projects, equipment fleets and locations with limited grid capacity.
The system integrates a 1254 kWh LFP battery, a 750 kW power conversion system, four CCS2 DC fast-charging outputs, four CCS2 DC charging inputs, thermal management, fire protection and intelligent control within a truck-deployable enclosure. Each DC output supports up to 200 kW, providing a maximum combined DC charging capability of 800 kW.
A 400 Vac main AC input/output connection rated at 2 × 600 A supports up to 750 kW system power, while a 230 Vac / 32 A CEE auxiliary output supports site equipment and auxiliary loads. Charging interfaces, AC connections and power configurations can be adapted according to project requirements.
With two independent DC charging outputs, a 400 V / 600 A bidirectional AC interface and a 230 V auxiliary output, the system can support electric excavators, loaders and other off-highway equipment. Charging interfaces, AC connections and power configurations can be adapted according to project requirements.
Field deployment with construction equipment and charging infrastructure.
1254kWh LFP Battery Capacity
665.6 V Nominal Battery Voltage
750 kW Rated PCS Power
Up to 800 kW Total DC Charging Output
Four CCS2 DC Fast-Charging Outputs
Four CCS2 DC Charging Inputs
2 × 600 A / 400 Vac Main AC Input and Output
1 × 32 A CEE / 230 Vac Auxiliary Output
OCPP 1.6 Communication Support
Integrated Liquid Cooling and Ventilation
Hazardous Gas Detection and Aerosol Fire Suppression
IP54 System Protection and IP67 Battery-Pack Protection
Operating Temperature Range: -20°C to +50°C
C4 Corrosion Protection for Demanding Outdoor Environments
High-power charging support for electric excavators and other off-highway equipment.
| Parameter | Specification |
|---|---|
| Nominal Energy Capacity | 1254 kWh |
| Battery Chemistry | Lithium Iron Phosphate (LFP) |
| Nominal Battery Voltage | 665.6 V |
| Operating Voltage Range | 582.4-759.2 V |
| Battery Capacity | 1884 Ah |
| Battery Cluster Configuration | 3P208S × 2 |
| Battery Cooling | Liquid Cooling |
| Battery-Pack Protection Rating | IP67 |
| PCS Rated Voltage | 400/230 Vac |
| PCS Voltage Deviation | -15% to +15% |
| PCS Rated Power | 750 kW |
| Maximum Power | 800 kW |
| Rated Grid Frequency | 50/60 Hz |
| RTE / Conversion Efficiency | ≥86% at 25°C |
| Parameter | Specification |
|---|---|
| DC Fast-Charging Outputs | 4 × CCS2 Charging Guns; Ports A / B / C / D |
| Output per Port | Up to 200 kW; 200-1000 Vdc; rated 200 A; maximum 250 A |
| DC Charging Inputs | 4 × CCS2; Ports 3-6 |
| Input per Port | Up to 200 kW; 200-1000 Vdc; maximum 250 A |
| Main AC Input / Output | 3 × 400 A, 400 Vac; total system power 750 kW |
| Auxiliary AC Output | 1 × 32 A CEE, 230 Vac |
| Communication Interface | OCPP 1.6 Supported |
| Hazardous Gas Detection | Supported |
| Ventilation System | Equipped |
| Cooling Method | Battery compartment: liquid cooling; electrical compartment: air cooling |
| System Protection Rating | IP54; battery pack IP67 |
| Fire Protection | Aerosol Fire-Suppression System |
| Operating Temperature | -20°C to +50°C |
| Dimensions | 2990 × 2440 × 2590 mm |
| Reference Weight | Approximately 14 t, subject to final delivery |
| Exterior Material | Sheet Metal |
| Corrosion Resistance | C4; coating dry-film thickness ≥200 μm |
| HMI | 10-inch Touchscreen |
Technical note: Port ratings indicate individual interface capability. Total simultaneous output remains subject to the 800 kW DC charging limit and the selected operating configuration.
Rapid Charging for Large Electric Excavators and Loaders
Mining and Quarry Equipment Charging
Construction-Site Fleet Charging
Temporary High-Power Charging-Hub Deployment
Remote and Grid-Constrained Sites
Equipment Rental and Fleet Operations
Temporary and Emergency AC Power Supply
Renewable-Energy Integration and Peak Shaving
Typical application: truck-deployed charging for electric mining and construction equipment.
Charging interfaces, AC connections and power configurations can be customized for project requirements.
Available Configurations
| Parameter | 261 kWh | 418 kWh | 522 kWh | 862 kWh | 1,044 kWh | 1,254 kWh |
|---|---|---|---|---|---|---|
| Dimensions (mm) | 2,930 × 1,500 × 1,655 | 3,205 × 1,740 × 2,120 | 3,205 × 1,740 × 2,120 | 2,990 × 2,440 × 2,590 | 2,990 × 2,440 × 2,590 | 2,990 × 2,440 × 2,590 |
| Reference Weight | 3.44 t | 5 t | 7 t | 12 t | 13 t | 14 t |
| DC Charging Input | 1 × 1000 V DC / 250 A | 2 × 1000 V DC / 250 A | 2 × 1000 V DC / 250 A | 4 × 1000 V DC / 250 A | 4 × 1000 V DC / 250 A | 2 × 1000 V DC / 250 A |
| AC I/O Interface | 400 V / 315 A 230 V / 10 A auxiliary | 400 V / 630 A | 400 V / 630 A 230 V / 10 A auxiliary | 400 V / 630 A | 400 V / 630 A | 400 V / 630 A |
| Rated AC Power | 125 kW | 250 kW | 250 kW | 500 kW | 750 kW | 750 kW |
| DC Charging Output | 2 × 1000 V DC / 250 A | 2 × 1000 V DC / 250 A | 2 × 1000 V DC / 250 A | 4 × 1000 V DC / 250 A | 4 × 1000 V DC / 250 A | 4 × 1000 V DC / 250 A |
| Maximum Total DC Output Power | 160 kW | 320 kW | 320 kW | 800 kW | 800 kW | 800 kW |
| Charging Interface Location | Rear | Rear | Rear | Rear | Rear | Rear |
| Fire-Suppression System | Aerosol | Aerosol | Aerosol | Aerosol | Aerosol + Perfluorohexanone | Aerosol + Perfluorohexanone |
| Protection Rating | IP54 | IP54 | IP54 | IP54 | IP54 | IP54 |
Note: AC interfaces are bidirectional input/output interfaces. Charging connectors, AC connections and power configurations can be adapted according to project requirements.
Values shown are reference configurations and are subject to final technical confirmation.
Why choose LGNE customized lithium battery?
Platform-based engineering
LGNE designs battery modules and packs as standardized platforms with defined mechanical, electrical and thermal interfaces, enabling predictable integration into OEM and system integrator architectures.
Engineering-to-production alignment
Design assumptions are developed in alignment with manufacturing constraints, ensuring consistency from prototype builds through controlled series production.
Series-ready manufacturing capability
LGNE's products are manufactured under controlled processes with defined tolerances and repeatable assembly, supporting stable quality across production batches.
Clear system responsibility boundaries
LGNE supplies integration-ready battery subsystems, while system-level configuration, control strategies and application integration remain with OEMs and system integrators.
Industrial-grade durability validation
Products are validated for vibration, thermal cycling and long-duty operation typical of off-highway, mining and commercial vehicle environments.
