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Reliable dc to ac Modified Sine Wave Power Inverter with Battery Charger

Name: Reliable dc to ac Modified Sine Wave Power Inverter with Battery Charger
Brand: Guangzhou Congsin Electronic Technology Co., Ltd
SKU: 760332685

Guangdong, ChinaGuangzhou Congsin Electronic Technology Co., Ltd

US$24.98

10-50 Pieces

US$21.57

51-100 Pieces

US$20.45

101+ Pieces

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 year

Warranty

1 year

Model NO.

CS300UPS

Nature of Source Flow

Passive inverter

Phase

Single

Output Power

300W

Certification

CE, ROHS

Brand

Congsin

Type

DC/AC Inverters

Power Source

Solar Power

Circuit Topologies

Full-Bridge Type

Nature of Wave String

Square Wave Inverter

Rated Power

300W Inverter

Peak Power

600W Inverter

Appliance

Solar System, Household Appliance

Input Voltage

DC24V Inverter

Output Voltage

AC220V

Efficiency

90%

Charger Current

UPS Function

Yes

Cooling

Fan

Size

215*95*55mm

Work environment

-20~70

Load Adjustment

Cooling method

Fan

Inverter Efficiency

90%

Protection

Low volt alarm/ High volt alarm/ Short

Transport Package

1PC/Box

Specification

CE; RoHS; FCC

Trademark

Congsin

Origin

Guangzhou, China (Mainland)

HS Code

8504409940

Production Capacity

50000units/Month

Key features

UPS Functionality: Seamlessly switches to battery power during outages for uninterrupted operation.

High Efficiency: Achieves over 90% conversion efficiency for significant energy savings.

Comprehensive Protection: Features overload, short-circuit, over-voltage, and thermal shutdown safeguards.

Universal Compatibility: Supports multiple plug standards including US, EU, and national specifications.

Robust Construction: Rugged all-metal aluminum casing ensures safety and durability.

OEM/ODM Services: Customizable input/output voltages and power ratings available for specific needs.

Advanced Cooling: Integrated fan with automatic thermal shutdown for optimal temperature control.

Certified Quality: Meets CE, RoHS, FCC, LVD, and ETL standards for global compliance.

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.

Product Q&A

Q:The electric appliance doesn't work, and the indicator light remains off. What could be the reason?

1. A faulty battery might be the primary culprit. 2. An incorrect connection of the positive and negative poles. 3. Loose cable connections.

Q:Why is it that the electric appliance refuses to operate when the glaring RED indicator light is illuminated?

1. Appliance rated power surpasses inverter capacity. 2. High peak power triggers overload shutdown. 3. Depleted battery causes shutdown. 4. Lack of ventilation causes overheating. 5. Excessively high input voltage.

Q:What causes the inverter's power output voltage to appear lower than anticipated?

Often, the voltmeter's limited numerical range fails to provide an accurate reading. Use a 'true RMS' meter for precise measurement.

Q:What restricts the inverter to only powering low-load appliances?

Voltage drops occur as current travels through cables. Minimize cable length and opt for thicker cables to reduce voltage drop.

Q:What accounts for the limited operational hours of the inverter?

1. Appliance demand exceeds rated load. 2. Battery fault. 3. Battery not fully charged. 4. Current weakens through cables. Solutions include higher capacity batteries, replacement, better chargers, and shorter thicker cables.