How long is the lead time?

Both peak and off-peak season lead times are within 15 working days.

What is the efficiency of the solar panels?

The solar panels have a highest conversion efficiency of 17%.

Where are your products sold?

Our products are widely used in North America, Europe, Middle East, Asia, and Africa.

Inverter

Name: Complete Home off Grid 2000va/3000W Solar+Energy+Systems with Accessories Panel/Battery/Controller/Inverter
Brand: Nanjing Oulu Electric Corp., Ltd.
SKU: 1957810125

Jiangsu, ChinaNanjing Oulu Electric Corp., Ltd.

US$3.40

3,000-4,999 w

US$3.20

5,000+ w

Sample price:US$3.40/w.Request sample

Product profile

Customization

Available

After-sales Service

2 Years Warranty

Warranty

2 Years

Certification

ISO, CE

Application

Home, Industrial, Commercial

Specification

Normal

Transport Package

Plywood

Trademark

OULU

Origin

China

Production Capacity

50000PCS/Year

Key features

2-Year Warranty Coverage: Comprehensive 2-year warranty provided for all mechanical defects and components.

ISO and CE Certified: Products meet international ISO9001, ISO14001, ISO45001 standards and hold CE certification.

High Efficiency Solar Panels: Solar panels feature 17% conversion efficiency with anti-reflective and anti-soiling surfaces.

Advanced MPPT Technology: Inverter includes Real Time Double MPPT with over 98.7% efficiency and 60-145VDC input.

Flexible Customization Options: Offers full, minor, and flexible customization from samples or designs.

Diverse Power Capacity: System capacity ranges from 200W to 30KW to suit various home and industrial needs.

Global Market Experience: Solutions deployed in over 50 countries including Europe, America, and Southeast Asia.

Complete System Package: Includes solar panels, charge controller, GEL batteries, inverter, and mounting structures.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Years of Export Experience

Nanjing Oulu Electric Corp., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory engaged in research and development, production, sales, installation, and technical services for electric vehicles, accessories, lighting systems, and related equipment. It reports CE product certification and ISO9001:2015, ISO14001, and ISO45001:2018 management-system certifications. Evidence indicates broad customization, ODM/OEM services, SDK availability, recent new-product development, and extensive assembly and testing facilities. The supplier has exported for 18 years, reports peak- and off-season lead times within 15 working days, and maintains documented quality and supplier-management procedures. Its overseas service infrastructure is limited: it reports no overseas warehouses, showrooms, agents, or branches, and serves zero overseas countries, although debugging is offered and offline trade-show participation is documented. Financial records are referenced for 2022–2024, but the provided slices do not include financial results or metrics.

Supplier typeThe supplier is explicitly identified as a factory. Its stated business scope includes R&D, production, sales, technical services, engineering design and construction, equipment installation, and import/export activities.

CertificationsThe supplier reports CE product compliance certification and ISO9001:2015, ISO14001, and ISO45001:2018 management-system certifications. These certifications provide explicit evidence of product and management-system compliance coverage.

After-Sales capabilityThe supplier lists debugging as an overseas service and has participated in the Shanghai New Energy Exhibition and Conference. However, it reports zero countries served overseas and no overseas warehouse, showroom, agent, or branch, indicating limited documented overseas service infrastructure.

R&D capabilityThe supplier reports new products within the past year, ODM services, available SDK support, and one national science and technology progress award. These are explicit indicators of product-development and technical innovation capability.

Production capacityThe supplier reports multiple dedicated production and testing facilities, including battery assembly and welding, OCV and aging testing, inverter assembly, wind-turbine assembly, and painting lines. It also reports documented finished-product inspection, 30 qualified service-capability suppliers, and lead times within 15 working days in both seasons.

Customization capabilityThe supplier explicitly offers customization from samples and designs, minor and full customization, and flexible customization. It also reports both ODM and OEM services, supporting a broad customization offering.

Client casesThe supplier reports OEM service for well-known brands and collaboration with Fortune 500 companies. These statements provide explicit customer-experience evidence, although no customer names, project details, or performance outcomes are provided.

Product Q&A

Q:What is the warranty period?

We provide a comprehensive 2-year warranty for all our mechanical equipment.

Q:What certifications do your products have?

Our products are certified with ISO9001, ISO14001, ISO45001, and CE.

Q:Can the system be customized?

Yes, we offer full, minor, and flexible customization from samples or designs.

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece.

Q:What are the accepted payment terms?

We accept T/T, L/C, PayPal, and Western Union in USD and CNY.

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Complete Home off Grid 2000va/3000W Solar+Energy+Systems with Accessories Panel/Battery/Controller/Inverter