What is the warranty period for the solar panels?

The solar panels come with a 20-year warranty.

Is OEM/ODM service available?

Yes, both OEM and ODM services are available.

What is the output type of the inverter?

The output type is AC Single Phase with 50/60Hz frequency and 230Vac voltage.

Free Design 3kw Solar System off Grid with Power Wall Battery

Name: Free Design 3kw Solar System off Grid with Power Wall Battery
Brand: Jinhua SunMaster Solar Co., Ltd.
SKU: 775246662

Zhejiang, ChinaJinhua SunMaster Solar Co., Ltd.

US$1,000.00-3,500.00

1 Set

Sample price:US$1500.00/set.Request sample

Product profile

Customization

Available

Output Type

AC Single Phase

System

Off-Grid system

Model NO.

SMSH-3KW

Certification

CE, ISO, RoHS

Power

3kw

Standard

Battery Type

Lead-Acid AGM

Solar System Technology

IGBT

Soalr Ower System Upgrade

Easy Upgrade Solar Power System

Service

Free Design

Solar Panel Power

250W*60PCS

Solar Panel Type

Polycrystalline Silicon PV Module

Max. DC Input Voltage

1000V

Rated AC Output Power

1kw

System Capacity

1kw

Output Frequency

50Hz/60Hz

MPPT Voltage Range

300-1000V

Max. Efficiency

98%

Waveform

Thd<2%

Connector

Mc4

Junction Box

TUV Standard

Transport Package

Carton or Wood Boxes

Specification

CE RoHS

Trademark

SUNMASTER

Origin

Zhejiang

HS Code

8502390000

Production Capacity

50, 000 PCS/Year

Key features

Free Design Service: Complimentary design service tailored to specific customer requirements and site conditions.

High Efficiency Inverter: MPPT tracking inverter with max efficiency of 98% and THD<2% pure sine wave output.

Flexible Customization: Supports full customization, minor customization, and flexible options based on samples or designs.

Long Warranty Coverage: Solar panels 20 years, inverter 5 years, and mounting system 10 years warranty included.

Certified Quality: Products certified with CE, ISO, RoHS, TUV, IEC, and CQC for safety and performance.

Low Power Consumption: Night power consumption less than 1W with natural convection cooling and low noise.

Complete System Kit: Includes solar panels, inverter, battery, controller, and all necessary cables and connectors.

Company profile

Jinhua SunMaster Solar Co., Ltd.

Zhejiang, 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: 15 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with manufacturing, export, service, quality-control, R&D, and sustainability capabilities. It reports customization across multiple levels, ODM and OEM services, an available SDK, recent product development, and documented procedures for service assessment, corrective actions, and complaint handling. Evidence also indicates ERP-based process management, ISO9001:2015 certification, inventory capability, a stated one-month lead time in both peak and off-season periods, and proximity to Ningbo Port. However, it lacks a valid contract with associated subcontractors, overseas warehouse and showroom capabilities, and an established AI model for data-driven management. The supplier cites OEM service for well-known brands and a global sales network, but no specific customer names or verifiable case details are provided.

Supplier typeThe supplier is classified as a combined company and describes its scope as covering export trade, manufacturing, service, quality control, R&D, and sustainable development. This indicates a broad integrated operating profile rather than a narrowly defined trading or service entity.

CertificationsThe supplier reports an ISO9001:2015 certificate under its sustainable development management system information. This is explicit certification evidence, although the provided slices do not state the certificate’s validity period or scope.

After-Sales capabilityThe supplier has written procedures and implementation records for service-capability assessment, corrective and preventive actions, and customer complaint handling. Its approved-supplier list is documented but lacks approval signatures or dates, so the service-management system is evidenced while supplier-list control is incomplete.

R&D capabilityThe supplier reports new products during the past year, ODM services, and an available SDK. These statements provide direct evidence of product-development and technical-support capability.

Production capacityThe supplier reports manufacturing capability, inventory capability, a one-month average lead time in both peak and off-season periods, and 30 qualified service suppliers. However, it lacks a valid contract with its associated subcontractors, which creates a documented production-governance weakness.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization coverage.