Can you provide free samples?

Sample availability depends on the product type. Normally, the sample fee is returned after you place a massive order.

What is the battery charging time?

The battery can be fully charged in 3 hours under standard test condition (STC) sunshine conditions.

What is the warranty period?

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

China-Made 3kw Solar Panel Energy Controller Inverter off-Grid Technology Wholesale Price Solar Power System

Name: China-Made 3kw Solar Panel Energy Controller Inverter off-Grid Technology Wholesale Price Solar Power System
Brand: Shanghai Soaring Industrial Co.,Ltd
SKU: 944098965

Shanghai, ChinaShanghai Soaring Industrial Co.,Ltd

US$2,500.00-2,700.00

1 Piece

Product profile

Customization

Available

Condition

New

Certification

ISO, CE

Model NO.

stin-3kw

Application

Home, Industrial, Commercial

Specification

Normal

Battery Type

Wall Mounted LiFePO4

Battery Voltage

DC48V

AC Output Voltagee

AC100V/110V/120V Settable

Remote Monitor

WiFi or GPRS

Transport Package

Pallet+ Wooden Box

Trademark

STIN or OEM/ODM

Origin

Changzhou

HS Code

8501610000

Production Capacity

1000sets/Month

Key features

Off-Grid System Design: Standalone system for areas without grid or with unstable power supply.

Customizable Voltage: AC output voltage is settable to AC100V/110V/120V to meet local standards.

High Efficiency Battery: Wall-mounted LiFePO4 battery supports 1000W load for 4 hours and charges fully in 3 hours.

Pure Sine Wave Output: Inverter features pure sine wave and high-frequency output for stable power.

Remote Monitoring: Supports WiFi or GPRS remote monitoring for convenient system management.

Versatile Applications: Suitable for Home, Industrial, and Commercial applications in remote areas.

Built-in MPPT Controller: Inverter includes a built-in 60A MPPT controller for optimal energy harvesting.

CE and ISO Certified: Product meets ISO and CE certification standards for quality and safety.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Shanghai Soaring Industrial Co.,Ltd

Shanghai, China

Business Type: Manufacturer/FactoryExport Year: 2013-02-01Average Response Time: ≤5.99hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, EXW

AI-Powered supplier vetting

SummaryThe supplier is a small limited company with four employees, one R&D engineer, and a valid import/export license. It identifies as a professional technical supplier and offers sample-based, full, and flexible customization, but does not provide 3D software design, ODM, SDK, or OEM services for popular brands. No new products were reported in the past year. Service procedures, complaint handling, and corrective/preventive-action records are documented, while quality assurance and traceability status are unknown. The supplier has no inventory, overseas warehouse, showroom, agent, branch, or offline trade-show participation, and reports zero countries served overseas. Financial records are referenced for 2023–2025, but their content is not provided. Production scale, certifications, and customer cases are not sufficiently evidenced.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and a limited company. Its stated business scope covers industrial textiles, hygiene and disposable medical supplies, paper and office products, electronics, software, building materials, plastic products, packaging containers, and related products, but the provided information does not establish its manufacturing status or production scale.

CertificationsThe supplier is stated to hold a valid import/export license. No other certification, quality certificate, or management-system certification is identified in the provided slices, so certification coverage beyond trade licensing cannot be confirmed.

After-Sales capabilityThe supplier has a documented customer-complaint procedure with follow-up records, written service-assessment procedures, and corrective/preventive-action records. However, it has no overseas warehouse, showroom, agent, or branch, serves zero stated overseas countries, and does not report inventory capability, limiting evidence of overseas after-sales support.

R&D capabilityThe supplier has one R&D engineer who provides solutions according to customer demands, but it reported no new products in the past year and lacks 3D software design, ODM, and SDK capabilities. These facts indicate limited demonstrated innovation breadth despite basic technical support.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, and flexible customization. Its sole R&D engineer is responsible for providing solutions based on customer requirements, supporting a positive assessment of customization capability.

Product Q&A

Q:What is an off-grid solar system?

An off-grid system is a standalone solar energy system that does not connect to the public grid. It is ideal for remote areas with no public power or unstable grid conditions.

Q:What is the maximum power load supported?

The maximum power load should not exceed 3000W. This includes inductive loads such as refrigerators, air conditioners, and washing machines with motor loads.

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece.

Q:What payment methods are accepted?

We accept T/T, L/C, PayPal, Western Union, and Money Gram.

Q:How long is the lead time?

The average lead time is within 15 workdays during the off-season and one month during the peak season.