What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off-peak seasons.

Does the manufacturer offer customization services?

Yes, OEM and ODM services are available.

What are the dimensions and weight of the unit?

The product dimension is 240*120*120MM and the weight is 5.5KGS.

China Factory 300W 30000mAh Modified Sine Wave Power Station

Name: China Factory 300W 30000mAh Modified Sine Wave Power Station
Brand: Guangzhou Congsin Electronic Technology Co., Ltd
SKU: 2024434655

Guangdong, ChinaGuangzhou Congsin Electronic Technology Co., Ltd

US$83.96

1-99 Pieces

US$82.64

100-199 Pieces

US$81.49

200+ Pieces

Product profile

Customization

Available

Battery is Removable

Capacity

≤2000mAh

Model NO.

M300-30Ah

Charging Type

Electric

Display

With Display

LED Lighting

Certification

CE, RoHS

Socket Type

Universal Socket

Battery Capacity

30000mAh

Rated Power

300W

Peak Power

600W

Output Waveform

Modified Sine Wave

Transport Package

1PC/CTN

Specification

30Ah Battery & 300W Modified Sine Wave Inverter

Trademark

CONGSIN

Origin

China

HS Code

8504401990

Production Capacity

9999/Months

Key features

High Capacity Battery: Features a 30000mAh battery capacity for extended power supply.

Versatile Charging Options: Supports charging via 230V mains adapter, car charger, or solar panels.

Multiple Output Ports: Includes 3 AC sockets, 3 USB ports, 1 Type-C port, and 1 car plug.

Universal Socket Compatibility: Equipped with 3 universal AC sockets for global appliance use.

Comprehensive Protection: Features overtemperature, overload, low-voltage, high voltage, and short circuit protection.

LCD Display Screen: Integrated LCD display for real-time monitoring of power status.

LED Lighting: Built-in 2 LED lights for illumination during outdoor activities.

OEM and ODM Services: Manufacturer offers both OEM and ODM customization services.

Company profile

Guangzhou Congsin Electronic Technology Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2001-04-01 CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤18h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryGuangzhou Congsin Electronic Technology Co., Ltd is a China-based limited company established in 2021 with 54 employees and a 925 m² manufacturing site in Guangdong. It operates four production lines, has 11–20 quality-control staff, and produces power inverters, solar charge controllers, and related products. The supplier states that it exports to more than 40 countries and that exports represent 90% of total sales. It reports OEM/ODM capability, two years of R&D engineer experience, automatic wave soldering and multifunction testing equipment, and a one-year warranty for power inverters. However, no supplier-management-system certifications are listed. The provided information supports production, export, customization, and after-sales claims, while financial credibility and customer-case strength remain insufficiently evidenced. Reported output figures contain inconsistent entries, so production scale should be verified before reliance.

Supplier typeThe supplier is identified as Guangzhou Congsin Electronic Technology Co., Ltd., a China-based limited company established in 2021. It reports a 925 m² manufacturing plant, four production lines, and business activities spanning manufacturing, electrical and electronic products, and consumer electronics, supporting classification as a manufacturer rather than only a trading intermediary.

CertificationsThe supplier-management-system certification field is explicitly recorded as NIL. No certification evidence is provided in the available information, indicating a documented gap for this field.

After-Sales capabilityThe supplier explicitly describes itself as a reliable power-inverter supplier offering a one-year warranty. This is direct evidence of a defined warranty-based after-sales commitment, although no further service-process or response-time details are provided.

R&D capabilityThe supplier reports an R&D department, professional engineer support, OEM/ODM project capability, automatic wave soldering machines, and multifunction testing machines. However, only two years of total R&D engineer experience is stated, and no patents, proprietary technologies, or product-development results are provided.

Production capacityThe supplier reports four production lines, 11–20 quality-control staff, product-specific output information, and fulfillment within 15 working days in both off-peak and peak seasons. The output data contains inconsistent and unusually large entries, so production capacity is supported in principle but requires verification.

Customization capabilityThe supplier explicitly states that its R&D department supports OEM and ODM projects and that it has professional engineer support. Its stated export experience across more than 40 countries further indicates experience serving varied markets, although specific customization examples are not provided.