125kW / 261.6kWh Sodium-Ion Battery Energy Storage System Commercial and Industrial Microgrid
The 125kW/261.6kWh Sodium-Ion Energy Storage System is designed for commercial and industrial applications requiring reliable energy storage, flexible power management and wide-temperature operation. It integrates two 130.8kWh sodium-ion battery clusters, a 125kW hybrid PCS and a proposed 130kW bidirectional DC-DC converter. Available in integrated cabinet or split-cabinet configurations, the system supports PV integration, peak shaving, backup power and microgrid applications, subject to final system configuration.
261.6kWh sodium-ion energy storage system
Product Overview
The 125kW/261.6kWh sodium-ion battery energy storage system is a customizable solution for commercial and industrial energy management. It combines two 130.8kWh sodium-ion battery clusters with a 125kW hybrid power conversion system (PCS) and a proposed 130kW bidirectional DC-DC converter.
Designed for air-cooled battery operation, the system offers a wide battery operating temperature range, a recommended depth of discharge of 90%, and a specified cell cycle life of up to 8,000 cycles under defined test conditions.
The system can be configured for integrated or split-cabinet installation to accommodate different site conditions, power requirements and installation preferences.
Key Features
- Sodium-Ion Battery Technology: NFPP-based sodium-ion batteries with a rated energy capacity of 261.6kWh across two battery clusters.
- Extended Cycle Life: Up to 8,000 cycles under specified laboratory conditions of 25±2°C, 0.5C charge/discharge and 80% DoD.
- Wide Temperature Operation: Battery charging and discharging are specified for -30°C to +55°C, subject to final system-level thermal and power validation.
- High Depth of Discharge: Recommended battery DoD of 90%, supporting flexible energy utilization.
- Hybrid Power Conversion: A 125kW hybrid PCS supports grid-connected and off-grid operating modes, subject to final system integration.
- Flexible DC Architecture: A proposed 130kW bidirectional DC-DC converter is intended to match the battery voltage range with the PCS operating window.
- Flexible Cabinet Design: Integrated cabinet or split-cabinet layouts can be customized according to project requirements.
- Multiple Applications: Suitable for peak shaving, PV self-consumption, backup power and commercial microgrid projects, subject to application-specific configuration.
Typical Applications
- Commercial and industrial peak shaving
- Solar PV plus energy storage
- Energy cost optimization and load management
- Backup power for critical loads
- Industrial microgrids and distributed energy systems
Customization
Battery configuration, DC-DC conversion, PCS settings, cabinet layout, protection, thermal management and energy management functions can be tailored to project requirements. Final performance, certifications and operating limits are subject to engineering validation and the confirmed bill of materials.
System Specifications
| Parameter | Specification |
|---|---|
| System type | Sodium-Ion C&I Energy Storage System |
| Rated PCS power | 125kW |
| Rated battery energy | 261.6kWh |
| Battery configuration | 2 × 130.8kWh clusters |
| Battery chemistry | Sodium-ion, NFPP |
| DC-DC converter | 130kW, proposed bidirectional design |
| Cooling method | Air cooling |
| Cabinet configuration | Integrated or split cabinet |
| Grid operation | On-grid / off-grid, subject to system validation |
| Typical applications | Peak shaving, PV+ESS, backup power, microgrid |
| Installation | Outdoor, subject to final enclosure design |
| System protection | To be confirmed for the complete system |
Battery Specifications
| Parameter | Specification |
|---|---|
| Battery type | Sodium-ion (NFPP) |
| Cell capacity | 170Ah |
| Rated energy per cluster | 130.8kWh |
| Total rated energy | 261.6kWh |
| Rated voltage per cluster | 769.5V |
| Battery voltage range | 540–918V |
| Rated power per cluster | 65.5kW |
| Cycle life | Up to 8,000 cycles* |
| Recommended DoD | 90% |
| Cooling | Air cooling |
| Battery enclosure rating | IP55 |
| Communication | RS485 / CAN / USB / Ethernet |
| Operating temperature | -30°C to +55°C* |
*The stated cycle life is based on 25±2°C, 0.5C charge/discharge and 80% DoD. The temperature range is the battery specification, not a guarantee of full system output throughout that range. Actual usable energy and operating limits depend on final system configuration.
Hybrid PCS Specifications
| Parameter | Specification |
|---|---|
| Rated AC power | 125kW |
| Max. apparent output power | 138kVA |
| Grid voltage | 3/N/PE, 230/400Vac |
| Grid frequency | 50/60Hz |
| Full-load DC voltage range | 680–950Vdc |
| Max. PV input power | 120kW × 2* |
| On-grid / off-grid | Supported by PCS specification |
| Off-grid overload | 1.5 × rated power for 200ms, VSG mode |
| Transfer time | Less than 20ms* |
| Maximum efficiency | 98.4% |
| Enclosure rating | IP54 |
| Operating temperature | -30°C to +45°C |
| Communication | Wi-Fi / LAN / CAN / RS485 |
*PCS parameters are taken from the supplied equipment data. PV input capacity, transfer time and overload performance must be confirmed for the final system and operating mode. PCS specifications do not automatically represent complete-system performance.
