The LGNE 420 kWh 618V Stacked High-Voltage Battery System is designed for heavy-duty off-highway and industrial machinery. Built on an integrated four-pack stacked architecture, the system delivers 420 kWh nominal energy, 618.24 V nominal voltage and 680 Ah system capacity. Liquid cooling and heating support stable operation under demanding working conditions, while dual-port charging enables a maximum charging current of 500 A. Typical applications include wheel loaders, excavators, material handlers, terminal tractors, mining equipment and other high-power mobile machinery.
420 kWh Stacked Battery System
High-Energy 618V Platform for Heavy-Duty Machinery
The 420 kWh stacked battery system combines high energy capacity, compact integration and high charging capability for demanding mobile equipment applications.
• 420 kWh Nominal Energy
• 618.24 V Nominal Voltage
• 680 Ah System Capacity
• 500 A Dual-Port Charging
• 680 A Maximum Discharge Current
• Four-Pack Stacked Architecture
• Liquid Cooling and Heating
• LFP Battery Chemistry
• Engineering Support for OEM Integration
| Parameter | Specification |
|---|---|
| Nominal Energy | 420 kWh |
| System Capacity | 680 Ah |
| Nominal Voltage | 618.24 V |
| Max. Charging Current | 500 A (2 × 250 A) |
| Max. Discharge Current | 680 A |
| Battery Layers | 4 |
| Pack Dimensions | 1400 × 1220 × 265 mm |
| Approx. System Weight | 3,220 kg |
| Thermal Management | Liquid Cooling and Heating |
| Cell Chemistry | LFP |
Other voltage platforms and energy configurations within the stacked platform are available upon request.
Parameters
| Energy (kWh) | Capacity (Ah) | Voltage (V) | Max Charge (A) | Max Discharge (A) | layers | Pack Size (mm) | System Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 141 | 230 | 614.4 | 230 | 230 | 2 | 1400 × 1150 × 265 | 1,450 |
| 181 | 314 | 579.6 | 250 | 314 | 2 | 1400 × 1150 × 265 | 1,625 |
| 210 | 340 | 618.24 | 250 | 340 | 2 | 1400 × 1220 × 265 | 1,660 |
| 282 | 460 | 614.4 | 2 × 225 | 460 | 4 | 1400 × 1150 × 265 | 2,770 |
| 363 | 628 | 579.6 | 2 × 250 | 628 | 4 | 1400 × 1150 × 265 | 3,075 |
| 420 | 680 | 618.24 | 2 × 250 | 680 | 4 | 1400 × 1220 × 265 | 3,220 |
Thermal Management: Liquid cooling and heating
Contact us for other energy capacities and configurations.
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.
Related Products
