High-Capacity 258kWh Lithium Battery Storage System
Advanced energy storage solution designed for industrial and commercial applications requiring reliable, scalable power management.
Application Scenarios
New Energy Generation, Distributed Generation, Micro-grid ESS, EV Charging, City ESS, Industrial & Commercial ESS
Product Highlights
High Integration: Plug-and-play installation with integrated design
Safe and Reliable: IP54 protection, comprehensive safety testing, C4H anti-corrosion with 15+ year service life
Efficient and Flexible: Modular design supports parallel use with flexible load configuration
Smart Monitoring: Machine App for real-time operation and revenue data monitoring
Intelligent BMS: Advanced iBMS for refined battery life cycle safety management
Advanced Algorithms: SOC correction improves accuracy by 3%, SOP algorithm extends battery life by 15%
Cloud Security: 24/7 full-dimensional security warning system
Temperature Management: Full-scenario thermal simulation for complex environments
Technical Specifications
| Model |
Stars CL258Pro |
| Battery Type |
LFP 280Ah |
| Rated Capacity |
258kWh |
| Cooling Type |
Liquid Cooling |
| IP Protection Level |
IP55 |
| Dimension |
(1588±10)*(1380±10)*(2450±10)mm |
| Weight |
2950±150kg |
| Working Temperature |
-30℃~55℃ (Derating When>45℃) |
| Cycle Life |
≥8000 cycles |
| Max. System Efficiency |
>89% |
| Quality Guarantee |
≥5 Years |
System Components
The distribution cabinet system includes static transfer switch (STS), automatic transfer switch (ATS), circuit breakers, electric meters, and surge protectors. Designed for seamless integration with Wenergy Star CL258 commercial & industrial energy storage cabinet system for long-term continuous, safe, and stable operation.
System Layout Configuration
| No. |
Name |
| A |
Static transfer switch (STS) |
| B |
Automatic transfer switch (ATS) |
| C |
Main Circuit Normally Open: Circuit Breaker 01 |
| D |
Main Circuit Standby: Circuit Breaker 02 |
| E |
Electricity meter |
| F |
Surge Circuit Breaker |
| G |
Surge Controller |
| H |
Load Output: Circuit Breaker 03 |
| I |
PV Output: Circuit Breaker 04 |
| J |
Main Circuit Normally Open: N |
| K |
Main Circuit Standby: N |
| L |
PV Output: N |
| M |
Load Output: N |
| N |
BESS Connection: A |
| O |
BESS Connection: B |
| P |
BESS Connection: C |
| Q |
BESS Connection: N |
Commercial & Industrial ESS Solutions
Photovoltaic Storage Integration
Peak Load and Frequency Regulation
Backup Power Supply
Peak-Valley Arbitrage Optimization
Project Case Studies
C&I Energy Storage Project - Germany
PV + Energy Storage System
Configuration: 20kWp PV + 258kWh ESS Cabinet
Operation: Daylight powers loads with excess charging storage; low sunlight uses both sources; grid supplements when storage < 80% SOC at night
C&I Energy Storage Project - China (Battery Materials Industry)
Scale: 1.44MW/3.096MWh
Configuration: 12×258kWh ESS Cabinets connected to 10/0.4kV-2500kVA Transformer
Performance: Estimated Total Discharge 998.998 MWh, System Efficiency 88%
Partnership Opportunities
We specialize in research and production of battery energy storage systems, offering OEM and ODM services alongside our standard product line.
Why Partner With Us
Origin Manufacturers: Direct source for top-tier products
Customized Solutions: Tailored to meet unique specifications
Business-Centric Focus: Addressing grid stability, economic viability, safety, and reliability concerns
ARE YOU LOOKING FOR THE RIGHT PARTNER TO TRANSFORM YOUR ENERGY STORAGE STRATEGY?
Contact us today to learn how our solutions can meet your needs. Please request a quote or schedule a consultation with our experts!