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

Overview
Product Description
Product Parameters
Product Details
Our Factory
Projects
Packaging & Shipping
FAQ
📊 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
Nominal Grid Frequency
50Hz/60Hz
Certification
ISO, CB, CE, TUV/Un38.3/En50549
Product Name
Air/Liquid Cooling Container Energy Storage System
Dod
90%
Degree of Protection
IP65
Battery Type
Lithium Ion, LiFePO4 Battery
Install
Ground/Carport/Rooftop
Application
Industrial/Commercial/Factory/Hospital
BMS Interface
Ethernet, Can, RS485
📝 Product Description
Energy Storage System 1 Energy Storage System 2 Energy Storage System 3
Liquid Cooled Container

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. It can be applied to the power generation side, grid side, as well as C&I ESS scenarios.

Warranty Info
⚙️ Product Parameters
Model SUN20FT-0.5MW/1MWh SUN40FT-1MW/2MWh
Cell type3.2V/280Ah/LFP
Cell brandHIGEE/EVE/REPT/CORNEX
Celle life cycle>8,000 Cycles @ 25°C
Number of Cluster510
Total Rated Energy1003.52kWh2007.04kWh
Rated voltage627.2V
BMS interfaceEthernet, CAN, RS485
Rated AC power1*500kW2*500kW
Dimension (L*W*H)6058*2591*2438mm12116*2438*2896mm
Degree of protectionIP54
Fire extinguisherHFC 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.
  • Separated electrical and battery compartments to prevent thermal runaway spread.
  • Integrated design, easy to transport and install.
🔍 Product Details

TOPcon Solar Panel

* High efficiency up to 22.84%
* SMBB + Half-cell tech for reliability
* Lower temperature coefficient (-0.29%/ºC)
* Bifaciality rate up to 80-85%

Solar Panel
Hybrid Inverter

All In One Hybrid Solar Inverter

* Intelligent IC control & Pure sine wave
* Multiple protection functions
* Double Sided PCB / Aluminum alloy shell
* Warranty: 10 Years

Storage Battery Bank

Standard battery module consists of 16 units 3.2V single cells. Each unit provides 14.336kWh. Customized energy storage solutions available from kWh to GWh scales to meet exact project requirements.

Battery Bank
🌐 Monitoring & Infrastructure
Monitoring System

Online Monitoring System

* One-click installation & registration
* Real-time dispatch and navigation
* Safe operation with traceable logs
* Full lifecycle data storage for security

🏭 Factory & Global Projects
Factory View Production Line
Project 1 Project 2 Project 3
📜 Certifications & Shipping
Certificates
Packaging 1 Packaging 2
🚀 Why Choose Us
  • Professional technical team & optimal designs.
  • 24-hour professional online service support.
  • Comprehensive after-sales team for timely problem solving.
  • Strict quality control and reputation-first approach.
  • Up to 10-30 years of quality assurance.
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FAQ
Q1: How does DC coupling optimize the use of renewable energy?
It allows captured solar energy to be stored directly with minimal losses. This ensures a greater portion of power is used on-site or dispatched to the grid efficiently.
Q2: What role does the Power Conversion System (PCS) play?
The PCS is a bidirectional inverter that converts DC from solar/batteries to AC. it replaces separate inverters, streamlining the storage infrastructure.
Q3: What are the primary advantages of a DC-coupled system for large-scale projects?
Key benefits include higher efficiency, a simplified layout, reduced balance of system (BOS) costs, and seamless integration for on-grid and off-grid systems.
Q4: Why is DC coupling considered more efficient for solar battery storage?
It avoids multiple conversion steps (DC-AC-DC). Solar energy charges batteries directly in DC form, maximizing ROI by reducing energy losses.
Q5: What is liquid cooling technology in ESS?
Liquid cooling ensures the temperature difference between battery cells remains within 3 ºC. This higher thermal efficiency significantly extends battery life compared to air cooling.
Q6: What applications are suitable for these containerized systems?
They are ideal for industrial and commercial factories, hospitals, grid-side support, and large-scale renewable energy power generation projects.

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