Sunsky All in One 20FT 40FT Solar 300kw 500kw Bess Container 2.5MW 5MW High Voltage LiFePO4 Battery 5mwh 10mwh Commercial and Industrial Energy Storage System

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Product Description

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Basic Information

Model NO. SUN500KW3-ESS Nominal Voltage 208/220/400/480V 3phase
Warranty 10 Years Nominal Capacity 500kwh, 1mwh, 2mwh, 3mwh (Customizable)
Cycle Life 8000 Times and up Lithium Battery Certification ISO, CB, CE, TUV/Un38.3/En50549
Battery Type Lithium Ion, LiFePO4 Battery Degree of Protection IP65 / IP54
Application Industrial/Commercial/Factory/Hospital Cooling Concept HAVC / Liquid Cooling

Product Description

Energy Storage System
Energy Storage System
Energy Storage System

The 20-ft and 40HQ liquid-cooled ESS container integrates PACK, EMS, BMS, HVAC, and fire safety system into one cabinet. Compared with air cooling, liquid cooling empowers the ESS product with higher power density and ensures the temperature difference between the cells within 3 ºC, which effectively extends battery service life and improves energy efficiency.

Liquid Cooled ESS

Technical Parameters

Specifications 20FT-0.5MW/1MWh 40FT-1MW/2MWh
Cell Type 3.2V/280Ah/LFP
Cycle Life >8,000 [email protected], 25°C
Total Rated Energy 1003.52kWh 2007.04kWh
Rated AC Power 500kW 2*500kW
Dimensions (L*W*H) 6058*2591*2438mm 12116*2438*2896mm
Operating Temp -20~65°C
Fire Extinguisher HFC bottle group

Key Features

Multiple working modes can be flexibly set for different scenarios.
Advanced battery management (BMS) and comprehensive thermal management.
Real-time online monitoring of system status and traceable logs.
Support simultaneous access to load, battery, grid, diesel generator, and PV.
Isolated compartments for electrical and battery units to prevent thermal runaway.
Integrated container design for easy transport, installation, and flexible deployment.
ESS Features
ESS Features
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System Components

High Efficiency Solar Panels

TopCon Solar Panel technology with efficiency up to 22.84%. SMBB + Half-cell technology reduces internal current loss and improves reliability. Bifaciality rate up to 80-85%.

Hybrid Solar Inverter

Intelligent IC control with multiple protection functions. Pure sine wave output with aluminum alloy shell for superior heat dissipation. 10 years warranty protection.

Storage Battery Bank

Module-based energy storage consisting of 3.2V single cells. Customizable energy from kWh to GWh according to specific client requirements. Optimized for 80% DOD.

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Manufacturing & Projects

Factory Production
Solar Project
Solar Project
Solar Project
Certifications
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Packaging & Shipping

Shipping Container
Logistic
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Frequently Asked Questions

How does DC coupling optimize renewable energy use?
It allows for captured solar energy to be stored directly with minimal losses. This ensures a greater portion of power is used on-site or dispatched effectively, enhancing project sustainability.
What role does the Power Conversion System (PCS) play?
The PCS is a high-power, bidirectional inverter that converts DC from solar/batteries to AC. It replaces separate inverters, streamlining the storage infrastructure.
What are the primary advantages of DC-coupled systems?
Key advantages include higher overall system efficiency, simplified layout with fewer components, reduced balance of system (BOS) costs, and seamless grid integration.
Why is DC coupling more efficient for large scale systems?
It avoids multiple DC-AC-DC conversion steps. Solar energy directly charges batteries in DC form, crucial for maximizing ROI in large-scale applications.
What is the maintenance requirement for these containers?
The system supports real-time online monitoring, allowing for predictive maintenance. The integrated HVAC/Liquid cooling and fire suppression systems are designed for long-term outdoor durability.
Can the capacity be customized for specific project needs?
Yes, the energy storage capacity is fully customizable from kWh to MWh or GWh levels based on client requirements and site conditions.

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