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40FT Container Bess Solution 1mwh 2mwh 3mwh 4wmh Lithium Ion Battery Solar Energy System
US$0.16-0.28
100,000 Watt
Sample price:US$46500.00/set.Request sample
Product profile
Customization
AvailableContainer Size
6058*2438*2591mmWeight
<30mtModel NO.
SUN1MW-ESSNominal Voltage
208/220/400/480V 3phaseWarranty
10 YearsNominal Capacity
500kwh, 1mwh,2mwh,3mwh (Customzable)Cycle Life
8000 Times and up Lithium BatteryNominal Grid Frequency
50Hz/60HzCertification
ISO, CB, CE, TUV/Un38.3/En50549Product Name
Air/Liquid Cooling Container Energy Storage SystemDod
90%Degree of Protection
IP65Battery Type
Liquid Cooling,Lithium Ion, LiFePO4 BatteryInstall
Ground/Carport/RooftopTechnical Support
Complete Professional Technical GuidanceApplication
Industrial/Commercial/Factory/HospitalBMS Communication Interface
Ethernet, Can, RS485Container
for Outdoor InstallationCooling Concept of DC Hatch
HAVCBattery
Air/Liquid CoolingLocal Monitoring EMS
YesIsolated Transformer
IncludedTransport Package
ContainerSpecification
20FT/40HQTrademark
SUNSKYOrigin
ChinaHS Code
8504403090Production Capacity
300sets/DayKey features
Customizable Capacity: Nominal capacity is customizable from 500kWh to 3MWh.
10-Year Warranty: Comprehensive 10-year warranty coverage for the system.
Flexible Deployment: Integrated design suitable for ground, carport, or rooftop installation.
High Efficiency Panels: TOPCon solar panels with up to 22.84% efficiency and bifaciality rate.
IP54 Protection: Container offers IP54 degree of protection for outdoor installation.
Multi-Mode Operation: Supports flexible working modes and seamless on-grid/off-grid switching.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤3.30h
AI-Powered supplier vetting
SummaryHefei Sunskypv Co., Ltd. is a China-based trading company established in 2022, offering solar panels, inverters, batteries, combiner boxes, and mounting systems. It reports broad customization capability, documented finished-product inspection instructions, export activity, and stated annual output across lithium batteries, solar systems, and solar panels. However, the supplier has only four employees and a 78.28 m² manufacturing plant, while its service procedures lack written records. No SDK is available, overseas service infrastructure is absent, and environmental and fire-drill status are unknown. An SGS audit was conducted from 2025-02-28 to 2026-02-27, but the provided audit result value is not interpretable as a certification conclusion.
Supplier typeThe supplier is explicitly identified as a trading company and a limited company based in Hefei, Anhui, China. Its listed product scope covers solar panels, inverters, batteries, combiner boxes, and mounting systems, indicating a renewable-energy equipment trading and supply business.
After-Sales capabilityThe supplier has procedures for corrective and preventive actions and customer complaint handling, but no written records support their implementation. It also lacks overseas showrooms, overseas agents or branches, and offline trade-show participation, limiting demonstrated overseas service coverage.
Production capacityThe supplier reports annual output of 800,000 lithium batteries, 100,000 solar systems, and 100,000,000 solar panels, with stated order fulfillment within 15 working days in both peak and off-peak periods. Against this, it is classified as a trading company with four employees and a 78.28 m² plant, so the records support reported supply capacity but do not clearly verify owned manufacturing capability.
Customization capabilityThe supplier explicitly offers customization from samples and designs, minor and full customization, and flexible customization. It also states that finished-product inspection instructions are available and uniformly followed, supporting both customization scope and a defined inspection method.
Product Q&A
Q:How does DC coupling optimize renewable energy use?
A:
It allows solar energy to be stored directly with minimal losses, enhancing sustainability by using more generated power on-site or dispatching it to the grid.
Q:What is the role of the Power Conversion System (PCS)?
A:
The PCS is the core component, functioning as a high-power bidirectional inverter that converts DC from solar and batteries to AC, replacing separate inverters.
Q:What are the advantages of a DC-coupled system?
A:
Key advantages include higher overall efficiency, simplified layout with fewer components, reduced BOS costs, and seamless on-grid/off-grid integration.
Q:Why is DC coupling more efficient?
A:
It avoids multiple DC-AC-DC conversion steps, allowing solar energy to charge batteries directly in DC form, reducing energy losses and maximizing ROI.
Q:What is DC coupling in large-scale storage?
A:
It is an architecture where solar panels and batteries connect on the same DC bus before conversion to AC by a single centralized inverter.
Send Inquiry
*To:Sunsky Co., Ltd
*Content:
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