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4kw off Grid Solar Power System for Complete Home
US$0.70-1.50
5,000 Watt
Sample price:US$1.80/watt.Request sample
Product profile
Customization
AvailableWarranty
25 YearsCondition
NewModel NO.
RS4KW-OFFCertification
ISO, CB, CE, TUV, VDE, IEC61215, IEC617, Pid, Cec, JetApplication
Home, Industrial, Commercial, Agriculture IrrigationSpecification
NormalSolar Panel Type
Mono / Poly Solar PanelLoad Power
4000WOutput Frequency
50/60HzOutput Voltage
EU: 220/230/240V Us: 110/120VPV Cable
4/6/10mm^2 etcWork Time (H)
24hours/DayMounting Brackets
Roof/Ground InstallationAccessories
Mc4 Spanner, Crimping Pliers etcInverter
Singe Phase/Three PhaseController Type
MPPT/PWMBattery Type
AGM/Gel/Lithium BatteryTransport Package
Wooden Box / Carton PackingSpecification
4KWTrademark
Rosen SolarOrigin
ChinaHS Code
8543709990Production Capacity
100000watt/WeekKey features
25-Year Panel Warranty: Solar panels come with a comprehensive 25-year warranty for long-term reliability.
Customizable Mounting: Mounting brackets are customized for roof or ground installation with high wind resistance.
Flexible Battery Options: Supports GEL, AGM, or optional Lithium/LifePo4 batteries for diverse storage needs.
Multi-Phase Inverter: 4KW off-grid inverter supports single phase (110-240V) and three phase (240-480V) outputs.
IP67 Charge Controller: MPPT/PWM regulator features IP67 protection and automatic voltage recognition.
Global Certification: Certified by ISO, CE, TUV, VDE, IEC, and other international standards.
Complete System Kit: Includes panels, inverter, controller, batteries, cables, and installation tools.
Off-Grid Independence: Stand-alone system with battery storage for backup during power cuts or night usage.
Company profile
Business Type: Manufacturer/FactoryExport Year: 2008-01-01Nearest Port: Ningbo Port, Shanghai Port, Shenzhen PortAverage Response Time: ≤8.78hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA
AI-Powered supplier vetting
SummaryRosen Solar Energy Co., Ltd., a manufacturer based in China, offers a wide range of products including solar panels and batteries. The company demonstrates strong customization and innovation capabilities, providing ODM and OEM services for known brands and showcasing R&D prowess with new product developments. It exports a significant portion of its products and maintains effective supplier service capabilities with clear procedures for handling complaints and corrective actions. However, the company lacks overseas showrooms, agents, and trade show participation, which may limit its international presence.
Supplier typeRosen Solar Energy Co., Ltd. is identified as a manufacturer/factory, specifically involved in solar energy products.
After-Sales capabilityThe supplier has established procedures for effective supplier service capability, including handling customer complaints and implementing corrective actions.
R&D capabilityThe supplier has strong innovation capabilities with new products developed in the past year and offers SDK for development purposes.
Production capacityThe supplier is involved in extensive production activities related to solar and wind energy products and has a large manufacturing facility.
Customization capabilityThe supplier offers extensive customization capabilities, including full customization and ODM services.
Product Q&A
Q:What is the warranty period for the solar panels?
A:
The solar panels come with a 25-year warranty.
Q:Can the mounting brackets be customized?
A:
Yes, the mounting brackets are customized for flat/pitched roof or ground installation.
Q:What types of batteries are supported?
A:
The system supports GEL, AGM, and optional Lithium/LifePo4 batteries.
Q:What is the output voltage and frequency?
A:
Output voltage is EU: 220/230/240V or US: 110/120V, with frequency 50/60Hz.
Q:What is the lead time for delivery?
A:
The average lead time is within 15 workdays for both peak and off-season.
Send Inquiry
*To:
Rosen Solar Energy Co., Ltd.
Rosen Solar Energy Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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