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
Grid Frequency
50Hz/60Hz
Certification
ISO, CB, CE, TUV/Un38.3/En50549
Protection
IP65
Battery Type
Lithium Ion, LiFePO4 Battery
Application
Industrial/Commercial/Factory/Hospital
Interface
Ethernet, Can, RS485
Cooling
Air/Liquid Cooling
Energy Storage System Hybrid System Solar Solution
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Product Description

Liquid Cooled ESS Container

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. The 20-ft liquid-cooled ESS container product can be applied to the power generation side, grid side, as well as C&I ESS scenarios.

Warranty Assurance
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Product Parameters

Model SUN20FT-0.5MW/1MWh SUN40FT-1MW/2MWh
Cell type3.2V/280Ah/LFP
Cell life cycle>8,000 Cycles @ 25°C
Number of Cluster510
Total Rated Energy Capacity1003.52kWh2007.04kWh
Rated voltage627.2V
Communication protocolModbus RTU, Modbus TCP
Rated AC power1*500kW2*500kW
Rated AC voltage380V/400V/220V/480V
Degree of protectionIP54
Operating temperature-20~65°C
Fire extinguisher systemHFC bottle group

Key Features

Multiple working modes can be flexibly set.
Support battery management system and comprehensive thermal management.
Support real-time online monitoring of system status.
Support simultaneous access to load, battery, grid, DG, and PV.
Electrical and battery compartments are separated for safety.
Integrated design, easy to transport and install.
ESS Infrastructure
ESS Strategy
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Product Details

High Efficiency TOPCon Solar Panels

• Efficiency up to 22.84%
• SMBB + Half-cell tech reduces internal current loss
• Lower temperature coefficient (-0.29%/ºC)
• Bifaciality rate up to 80-85%
• 25 or 30 years warranty optional

Solar Panel Details
Inverter Technology

All In One Hybrid Solar Inverter

• Intelligent IC control & Multiple protection functions
• Pure sine wave output
• Double Sided PCB / Import zero device
• Aluminum alloy shell for durability
• Warranty: 10 Years

Storage Battery Bank

Standard module consists of 16 units 3.2V single cells. Nominal voltage 51.2V, total capacity customizable from kWh to MWh/GWh according to client requirements.

Battery Bank
Online Monitoring

Online Monitoring System

• One-click installation and registration
• Real-time safe operation monitoring
• Traceable logs and data security
• Full lifecycle data storage

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Factory & Projects

Factory Overview Production Line
Project 1 Project 2 Project 3
Certifications
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Packaging & Advantages

Packing Shipping

Why Choose Us

  • Own factory, more competitive price
  • Professional technical team and best design
  • 24-hour professional online service
  • Dedicated after-sales support
  • Quality first, reputation first
  • 10-30 years quality assurance
Advantages

FAQ

How does DC coupling optimize renewable energy?
It allows for more captured solar energy to be stored directly with minimal losses, ensuring a greater portion of power is used on-site or dispatched effectively.
What role does the Power Conversion System (PCS) play?
The PCS functions as a high-power, bidirectional inverter that converts DC from solar and batteries to AC, streamlining the infrastructure.
What are the primary advantages for large-scale projects?
Higher overall system efficiency, simplified layout, reduced balance of system (BOS) costs, and seamless grid integration.
Why is DC coupling more efficient?
It avoids multiple DC-AC-DC conversion steps. Solar energy can directly charge batteries, maximizing ROI for large-scale applications.
What is DC coupling in energy storage?
It is an architecture where solar panels and batteries connect on the same DC bus before conversion to AC by a single centralized inverter.
What is the expected lifespan of the system?
The system utilizes high-quality LiFePO4 cells rated for over 8,000 cycles, supported by a 10-year standard warranty and professional thermal management.

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