Rack Mounted ESS Lithium Battery for Commercial & Industrial Energy Storage
The LULUSUN rack-mounted ESS lithium battery（51.2V 314Ah Rack Battery） is designed for scalable, safe, and high-efficiency energy storage applications.
It is ideal for commercial, industrial, and large residential solar systems requiring stable and expandable capacity.
Key Features & Advantages
- Standard 19-inch rack design for easy system integration
- High-safety LiFePO₄battery cells
- Intelligent BMS with multi-level protection
- Easy parallel connection for large ESS projects
- Compatible with mainstream ESS and hybrid inverters
Applications: Commercial ESS / Industrial storage / Data center / Telecom
| MODEL | LU-ESS 241KWH | MODEL | LU-BOX1000V250A |
| Rated Energy | 241.15KWH | Normal Operating Voltage | Rated Voltage: 220-265VAC. Adjustment Range: 210-284VAC |
| Cell Type | LFP (LiFePO4) | Input Frequency | Rated Frequency: 50/60Hz. Adjustable Frequency: 47-63HZ |
| Pack Capacity | 16.076KWH | Operating Temperature | -20~+60°C |
| Pack Number | 15 | Storage Temperature | -40~+125°C |
| Rated Voltage | 768V | Relative Humidity | 5~95%RH |
| Working Voltage Range | 672V-876V | Atmospheric Pressure | 80~110kPa |
| Efficiency(@0.5C-rate) | 96% | Altitude | 0~4000m |
| Max.charging/Discharging current | 250A | Measurement Range | 0-1000V |
| Cycle Times | >6000 times (25°C,0.5C.90%DOD,80%EOL) | Measurement Resolution | 0.1V |
| Communication | LAN/CAN/RS485 | Measurement Accuracy | Total Pressure <1000V(s±1% of Full Scale), Total Pressure 21000V (s+0.5% of Full Scale) |
| IP Level | IP20 | Measurement Rate | Refresh 100ms |
| Working Temp.Range | 10°C±40°C | Electrical Isolation | 4149VDC/2934VAC(8mm) |
| Working Humidity Range | 5-95%(No Condensation) | Measurement Range | ±500A |
| Max.Altitude | 3000m | Measurement Resolution | 0.1A |
| Fire Fighting | PACK Level Aerosol | Module Circuit Measurement Accuracy | +500A, Accuracy ±1%FS |
| Altitude | 0~4000m | Measurement Rate | 200ms |
| Atmospheric Pressure | 80~110kPa | Electrical Isolation | 4149vdc/2934VAC(8mm) |
Standardized Rack Design
The LULUSUN rack battery features a standard 19-inch design, allowing:
- Easy installation into ESS cabinets
- Clean wiring and structured system layout
- Flexible system expansion for large projects
It is widely used in containerized ESS and cabinet ESS systems
Intelligent BMS & System Protection
The advanced BMS provides:
- Over-voltage & over-current protection
- Temperature monitoring & active balancing
- Short circuit & fault protection
- Real-time system communication with inverter
LiFePO₄ chemistry ensures excellent safety and thermal stability.
Compatible ESS & Hybrid Inverters
The rack-mounted lithium battery is compatible with:
- LULUSUN ESS inverters
- Deye / Growatt / Sungrow / SMA
- Other ESS-compatible hybrid and PCS systems
Protocol matching support available.
Typical Applications
- Commercial and industrial ESS projects
- Solar + storage systems
- Telecom base stations
- Data centers and backup power systems
Containerized ESS solutions
Why Choose LULUSUN Rack Battery?
As a professional energy storage manufacturer, LULUSUN provides:
- Factory-direct production with strict QC
- Stable supply for large ESS projects
- Competitive pricing for system integrators
- OEM & customized ESS solutions
- Long-term technical & after-sales support
We support system integrators and EPC partners worldwide.
Quality Control & Certifications
- 100% functional & safety testing
- Aging and cycle life tests
- International certifications: CE / UN38.3 / IEC
- Secure export packaging for ESS delivery
FAQ – Frequently Asked Questions
Q1: Can multiple rack batteries be connected in parallel?
Yes, they support parallel connection for large ESS systems.
Q2: Is this battery suitable for container ESS projects?
Yes, it is widely used in containerized energy storage systems.
Q3: Do you provide complete ESS solutions?
Yes, we offer integrated ESS battery + inverter solutions.
Q4: Do you support OEM branding?
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