Energy Storage System Datasheet
Energy Storage System Manual
Declaration of Conformity
The Deye GB-W-Pack12-2-A3 energy storage system is a modular High Voltage solution designed for commercial and industrial photovoltaic applications. The 120.3 kWh configuration consists of 10 LiFePO4 battery modules, each with a capacity of 12.03 kWh, and uses the GB-W-PDU-2 power distribution and management unit.
✓ Total capacity: 120.3 kWh
✓ Usable energy: 108.2 kWh
✓ Battery technology: LiFePO4 (LFP)
✓ Nominal system voltage: 512 V
✓ Nominal charge/discharge current: 230 A
✓ Cycle life: ≥6000 cycles
✓ Communication: CAN / RS485
✓ Warranty: 10 years
Modular High Voltage System for C&I Applications
The Deye GB-W is designed for high-capacity energy storage systems and is suitable for commercial and industrial projects requiring the storage of energy generated by photovoltaic systems, self-consumption optimisation, peak load management, or backup power.
The 120.3 kWh configuration uses 10 GB-W-Pack12-2-A3 modules, each providing 12.03 kWh of nominal energy and a capacity of 235 Ah.
The system uses LiFePO4 (LFP) technology, known for its thermal stability, high level of safety, and long service life.
Intelligent Battery Management
The system is managed by the GB-W-PDU-2 unit, which enables battery monitoring and control, as well as communication with compatible equipment via CAN and RS485 interfaces.
The modular design simplifies installation and maintenance, with the battery modules installed vertically in a floor-mounted configuration.
Kit Contents
The 120.3 kWh configuration includes:
- 10 × Deye GB-W-Pack12-2-A3 battery modules – 12.03 kWh/module
- 1 × Deye GB-W-PDU-2
- 1 × GB-W-Base
- 1 × Top Cover
- Connection system and accessories required for the configuration
| System Model | GB-W-Pack12-2-A3 – 120.3 kWh configuration |
|---|---|
| Battery Type | LiFePO4 (LFP) |
| Number of Modules | 10 |
| Nominal Energy per Module | 12.03 kWh |
| Nominal System Energy | 120.3 kWh |
| Usable Energy | 108.2 kWh |
| Nominal Capacity | 235 Ah |
| Nominal System Voltage | 512 V |
| System Operating Voltage | 416–584 V |
| Nominal Charge/Discharge Current | 230 A |
| Peak Current | 322 A (1 s) |
| Recommended DoD | 90% |
| Cycle Life | ≥6000 cycles (25±2°C, 0.5C/0.5C, 70% EOL) |
| Communication | CAN / RS485 |
| Cooling | Natural air cooling |
| Charging Temperature | 0°C – 55°C |
| Discharging Temperature | -20°C – 55°C |
| Storage Temperature | -30°C – 60°C |
| Humidity | 0–85% |
| Maximum Altitude | ≤3000 m |
| Protection Rating | IP20 |
| Installation | Floor-mounted |
| Installation Location | Indoor |
| Module Dimensions | 690 × 436 × 270 mm |
| Module Weight | 93 kg |
| Warranty | 10 years |
Compatibility
The system is designed for use with compatible Deye High Voltage inverters, depending on the inverter model, system configuration, and firmware version.
Compatibility must be verified before system configuration and commissioning.
Attention: This is a High Voltage system and is not intended for connection to 48 V Low Voltage inverters.
Installation, configuration, and commissioning must be carried out by qualified personnel in accordance with the manufacturer’s instructions and applicable regulations.
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