What is the power efficiency of the inverter?

The maximum power efficiency is greater than 86%.

What certifications does the product have?

The product is certified with CE, RoHS, and FCC standards.

How does the inverter indicate low battery status?

It uses a red light flash for audible alarm and an off signal for low battery, with a yellow light for overload protection.

12V 220V 110V Universal Socket 300W Pure Sine Wave Inverter use for car

Name: 12V 220V 110V Universal Socket 300W Pure Sine Wave Inverter use for car
Brand: Guangzhou Congsin Electronic Technology Co., Ltd
SKU: 1956335785

Guangdong, ChinaGuangzhou Congsin Electronic Technology Co., Ltd

US$30.00

50-199 Pieces

US$28.50

200-499 Pieces

US$27.50

500+ Pieces

Sample price:US$30.50/piece.Request sample

Product profile

Customization

Available

Nature of Source Flow

Passive inverter

Certification

Model NO.

DXP300

Output Power

301 - 400W

Grid Type

off-Grid Inverter

Output Type

Single

Circuit Topologies

Push-Pull Type

Nature of Wave String

Sine Wave Inverter

Type

DC/AC Inverters

Rated Power

300W

Surger Power

600W

Output Frequency

50/60Hz

Output Waveform

Pure Sine Wave

Max Outer Temperature

<65c

High Volt Cut off

>15DC

Housing Material

Aluminum Alloy

Phase

Single

Power Source

Electric Power

Transport Package

1PCS/Color Box

Specification

Trademark

CONGSIN

Origin

Guangzhou, China

HS Code

85044019

Production Capacity

80000PCS/Month

Key features

Pure Sine Wave Output: Delivers clean power suitable for sensitive electronics and appliances.

Universal Voltage Support: Compatible with 110V, 220V, and 12V/24V input systems for global use.

Comprehensive Protection: Features overload, over-voltage, low-voltage, over-temperature, and short-circuit protection.

High Efficiency Design: Achieves power efficiency greater than 86% with low no-load current draw.

Compact and Lightweight: Designed for portability, ideal for cars, boats, camping, and travel.

Cooling Fan Protection: Equipped with an intelligent cooling fan to prevent overheating during operation.

Multi-Color LED Indicators: Visual status display for normal output, low battery, and overload conditions.

CE Certified Quality: Manufactured with CE, RoHS, and FCC certifications ensuring safety and reliability.

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: ≤24h 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.