Description
125kW/313kWh Battery Energy Storage System – Solar Cube BESS
Introduction to the 125kW/313kWh BESS
As businesses, industries, and utilities shift toward renewable energy integration, the demand for reliable, high-capacity storage has skyrocketed. The 125kW/313kWh Battery Energy Storage System (BESS), also known as the Solar Cube, is an advanced, containerized solution designed to provide backup power, peak shaving, renewable optimization, and grid stabilization.
This system combines high-efficiency LiFePO4 (Lithium Iron Phosphate) battery technology with intelligent control systems to deliver scalable, safe, and eco-friendly storage for commercial, industrial (C&I), and utility-scale projects.
|
Product Model |
125KW313 KWH |
| AC Side PCS | |
|
Nominal Grid Voltage |
400 V |
|
Access Method |
3 P3W |
|
Nominal Grid Frequency |
50 Hz |
|
Frequency Range |
47 Hz – 52 Hz |
|
THDi |
≤ 3% |
|
DC Component |
< 0.5% |
|
Power Factor Range |
1 .0 Leading – 1 .0 Lagging |
|
Standard |
IEC 62477- 1,EN 62477- 1,EN IEC 61000- 6- 2/ 4 , EN 50549- 1, C10/ 11 |
| DC Side(Battery system) | |
| Cell Specifications |
LFP 314 Ah |
| Battery Configuration |
312S1P |
| Nominal Capacity |
313 kWh |
| Voltage Range |
873.6 V – 1100 V |
| Nominal Voltage |
998.4 V |
| Cooling Method |
Liquid Cooling |
| Standard |
IEC 62619、UN38.3 、IEC 63056 |
| System Parameter | |
| Communication Interfaces |
RS485 / Ethernet |
| Communication Protocol |
Modbus- RTU/ Modbus-TCP |
| Noise |
≤70 dB |
| Life Cycle |
≥6 000 cycles |
| Ingress Protection |
IP55 |
| Ingress Protection |
– 25℃– 50℃( >40℃ debating) |
| Altitude |
2000m |
| Dimensions(W*H*D ) |
1300mm* 2150mm*1320mm |
| Fire Fighting System | Temperature & Smoke Detector , Aerosol , Water Fire Protection Interface |
| Weight |
3000kg |
| Standard | EN IEC 61000- 6- 2/ 4 ,EN 62477- 1,IEC 63056 ,IEC 62619 ,UN38.3 |
Key Specifications
- Rated Power Output: 125kW
- Energy Capacity: 313kWh
- Battery Chemistry: LiFePO4 (Lithium Iron Phosphate)
- Nominal Voltage: High-voltage DC configuration (modular)
- Cycle Life: 6,000+ cycles at 80% DOD
- Efficiency: >95% round-trip
- Design: Containerized “Solar Cube” with integrated PCS, EMS, BMS, HVAC, and fire suppression
- Applications: Solar farms, microgrids, C&I projects, EV charging hubs, backup power
Why Choose the 125kW/313kWh BESS Solar Cube?
High-Capacity Energy Storage
With 313kWh usable energy capacity, this system can store significant renewable generation and discharge when demand peaks. It ensures reliability for energy-intensive operations and supports renewable integration.
125kW Power Output for Flexibility
The 125kW power output allows seamless operation for peak shaving, load shifting, and microgrid support, making it suitable for a wide range of C&I applications.
Safe and Durable LiFePO4 Chemistry
The Solar Cube uses LiFePO4 batteries, recognized for:
- Superior thermal and chemical stability
- Non-toxic, environmentally safe materials
- Over 6,000 life cycles, providing 10–15 years of service
- Fast charging/discharging for grid services

Containerized Plug-and-Play Design
Packaged as a 20ft containerized BESS, the Solar Cube integrates:
- Battery racks
- Power Conversion System (PCS)
- Energy Management System (EMS)
- Battery Management System (BMS)
- Liquid cooling & HVAC
- Fire suppression system
This reduces installation time and ensures fast project deployment.
Grid and Renewable Integration
Designed for solar-plus-storage projects, the 125kW/313kWh BESS can capture excess solar power and release it during night-time or high-demand periods, maximizing renewable ROI.
Applications
1. Commercial and Industrial Energy Storage
Businesses face rising energy bills and peak demand charges. The 125kW/313kWh BESS helps by:
- Peak shaving – Reducing grid usage during expensive tariff hours.
- Backup power – Keeping operations running during outages.
- Energy optimization – Using stored solar or wind energy effectively.
2. Microgrid and Off-Grid Solutions
For remote communities, mining sites, and islands, this BESS provides:
- 24/7 power stability with renewable integration.
- Reduced reliance on diesel generators.
- Lower carbon footprint.
3. Utility-Scale and Solar Farms
When scaled in multiples, the Solar Cube supports:
- Frequency regulation
- Voltage support
- Grid stabilization
- Renewable energy smoothing
4. EV Charging Infrastructure
As electric vehicle adoption grows, charging stations need storage. The 125kW/313kWh BESS supports:
- Fast-charging hubs with reliable backup.
- Reducing grid strain during peak EV charging demand.
Technical Features
Integrated Energy Management System (EMS)
The EMS optimizes energy flow, allowing smart scheduling, real-time monitoring, and AI-driven forecasting to reduce operational costs.
Advanced Battery Management System (BMS)
The BMS ensures safety by preventing overcharging, short circuits, and thermal issues while maintaining cell balancing.
Liquid Cooling Technology
Keeps the battery at optimal temperature, ensuring long cycle life and stable operation even in harsh climates.
Multi-Mode Operation
- Grid-tied for renewable support and peak shaving.
- Off-grid for microgrids and remote sites.
- Hybrid mode for solar-diesel hybrid applications.
Benefits of the 125kW/313kWh BESS
- Energy Independence – Reduce dependency on unstable grids.
- Cost Savings – Lower electricity bills via load shifting.
- Resilience – Reliable backup power during outages.
- Sustainability – Support net-zero goals with clean storage.
- Scalability – Multiple units expand into multi-MWh systems.
- Fast Deployment – Containerized plug-and-play installation.
- Smart Integration – Compatible with solar, wind, and EV charging.
- 125kW/313kWh solar cube BESS for C&I projects
- Containerized energy storage system for renewable integration
- High-voltage LiFePO4 BESS for industrial applications
- 125kW energy storage system for microgrids and off-grid projects
- 313kWh battery system for peak shaving and backup power
- Commercial and industrial BESS with solar-plus-storage solutions
- EV charging infrastructure with containerized battery energy storage
The 125kW/313kWh Battery Energy Storage System – Solar Cube is a future-ready solution designed to meet the growing demand for renewable integration, backup power, and grid stabilization. With high energy capacity, modular rack design, LiFePO4 chemistry, and containerized plug-and-play installation, it is ideal for commercial, industrial, microgrid, and utility-scale projects.
Whether used as a standalone C&I storage unit or scaled into multi-MWh containerized BESS systems, this high-performance battery guarantees efficiency, reliability, and sustainability for modern energy needs.
Investing in the 125kW/313kWh BESS means securing a cleaner, smarter, and more resilient energy future.









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