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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

Available

Warranty

25 Years

Condition

New

Model NO.

RS4KW-OFF

Certification

ISO, CB, CE, TUV, VDE, IEC61215, IEC617, Pid, Cec, Jet

Application

Home, Industrial, Commercial, Agriculture Irrigation

Specification

Normal

Solar Panel Type

Mono / Poly Solar Panel

Load Power

4000W

Output Frequency

50/60Hz

Output Voltage

EU: 220/230/240V Us: 110/120V

PV Cable

4/6/10mm^2 etc

Work Time (H)

24hours/Day

Mounting Brackets

Roof/Ground Installation

Accessories

Mc4 Spanner, Crimping Pliers etc

Inverter

Singe Phase/Three Phase

Controller Type

MPPT/PWM

Battery Type

AGM/Gel/Lithium Battery

Transport Package

Wooden Box / Carton Packing

Specification

4KW

Trademark

Rosen Solar

Origin

China

HS Code

8543709990

Production Capacity

100000watt/Week

Key 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

Rosen Solar Energy Co., Ltd.
Fast DeliveryOverseas ServicesCustomization from SamplesOEM Services
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.

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