One-stop purchase services

Professional supplier of power supply products

undefined

Congsin 500W Modified Sine Wave Inverter

Reliable, compact 500W modified sine wave inverter for cars, RVs, solar and off-grid needs. Safe, certified and easy to use—ideal for everyday electronics and portable power.
Product Details

Congsin 500W Modified Sine Wave Inverter — Reliable Portable Power

The Congsin 500W modified sine wave inverter converts 12V DC to 110V/220V AC to run small appliances, chargers and tools when you’re on the road or off-grid. Designed for simplicity and reliability, it’s perfect for cars, RVs, boats, solar systems and outdoor work sites.

Key Benefits

  • Stable power for phones, laptops, TVs, LED lights, small microwaves and power tools up to 500W
  • Compact, lightweight design for easy carry and installation
  • Simple plug-and-play operation with clear LED indicators and built-in protections

Practical Features

  • Modified sine wave output — efficient for most household and vehicle electronics
  • Multiple protection layers: overload, short circuit, high/low voltage and over-temperature
  • Quiet operation and low idle consumption to preserve battery life
  • Standard AC outlet(s) and USB port options for versatile charging

Safety & Quality You Can Trust

Congsin builds products on automated production lines with strict testing. Our quality system is ISO9001 certified and many models carry CE, EMC, LVD, ETL, FCC, RoHS and E-MARK approvals. Proven reliability and several patented designs mean safe, long-lasting performance you can depend on.

Why Choose Congsin?

Guangzhou Congsin Electronic Technology Co., Ltd., founded in early 1998, has over 27 years of focused experience designing and manufacturing inverters, portable power stations and solar charge controllers. We support OEM/ODM, private labeling and custom solutions, serving customers across Europe, the Americas, the Middle East, Africa and Southeast Asia.

Who Is This For?

Ideal for travelers, RV owners, campers, field technicians and homeowners who need reliable, affordable power for everyday devices. If you want a straightforward inverter that balances performance, safety and cost, the Congsin 500W model is an excellent choice.

Order now or contact our support team for OEM/ODM options and bulk pricing.

Product Image

  • ac to dc car inverter
  • power inverter car
  • car power inverter for laptop

Certifications

  • CE Certifcate Nomber -  TS120220503108.2FC

    CE Certifcate Nomber - TS120220503108.2FC

  • CE Certificate Number - TST20220680033-1S0

    CE Certificate Number - TST20220680033-1S0

  • FC Certifcate Number - TST20220503108-45C

    FC Certifcate Number - TST20220503108-45C

Frequently Asked Questions

Does the UPS function require additional mains connection?

Yes. The inverter needs to be connected to a home/office socket via the included mains cable, and the device will automatically detect the mains status; when the mains power is interrupted, it will switch to battery power immediately.

Do you support OEM branding?

Yes, we offer logo, packaging, and label customization.

What is the function of the independent control switch?

The independent control switches for DC and AC can respectively control the on and off of DC and AC circuits, facilitating the separate management of power supply for different types of devices and improving power usage safety and flexibility.

Can it be connected to a battery long-term?

Yes, ensure good ventilation to avoid overheating.

Ask for Free Quote Now
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_1290 not exceed 150 characters
Please enter your content not exceed 3000 characters
Guangzhou Congsin Electronic Technology Co., Ltd.
5 Floor, B1 Building Longshan Industry Park, Yinglong Road Longdong Tianhe District, Guangzhou, Guangdong, China.
You may also like

500W Modified Sine Wave Inverter with UPS Charger DC12V to AC220V 360W UPS Power Converter

This 500W modified sine wave inverter has UPS charging function, with DC12V input and AC220V output, and 360W power. It integrates power conversion and charging, with a compact appearance, providing stable AC power support in various scenarios to meet the power supply and emergency charging needs of home, office and outdoor equipment.

500W Modified Sine Wave Inverter with UPS Charger DC12V to AC220V 360W UPS Power Converter

500W Modified Sine Wave Inverter (Rated 360W Peak 720W) DC12V to AC220V Inverter with LED Display Universal Socket

This 500W modified sine wave inverter has a rated power of 360W and a peak power of 720W, with DC12V input and AC220V output. Equipped with 1 USB port, universal socket, LED display, external fuse design, and battery clip, it has an exquisite appearance and stable performance. It can provide reliable AC power conversion for mobile phones, small home appliances, electronic devices, etc. in scenarios such as vehicle, outdoor, and home emergency, meeting the power needs of various devices.

500W Modified Sine Wave Inverter (Rated 360W Peak 720W) DC12V to AC220V Inverter with LED Display Universal Socket

500W Modified Sine Wave Inverter (Rated 360W) DC12V to AC220V 4 USB Ports (6.8A) Dual LED Display Inverter with Reverse Protection

This 500W modified sine wave inverter has a rated power of 360W, with DC12V input and AC220V output. Equipped with 4 USB ports (total current 6.8A), a universal socket, dual LED displays, a reverse protection function, and a battery clip, it is thoughtfully designed and has stable performance. It can provide stable AC power conversion for mobile phones, tablets, small home appliances and other devices in vehicle, outdoor, home and other scenarios, meeting your need for simultaneous power supply of multiple devices.

500W Modified Sine Wave Inverter (Rated 360W) DC12V to AC220V 4 USB Ports (6.8A) Dual LED Display Inverter with Reverse Protection
Tags
modified sine wave inverter
modified sine wave inverter
12v to 120v modified sine wave inverter
12v to 120v modified sine wave inverter
300w modified sine wave inverter​
300w modified sine wave inverter​
modified sine wave inverters for sale​
modified sine wave inverters for sale​
Contact customer service

Get a free quote

Hi,

If you are interested in our products/custom services or have any questions, please let us know so that we can better assist you.

×
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_1290 not exceed 150 characters
Please enter your content not exceed 3000 characters

How can we help?

Hi,

If you are interested in our products/customized solutions or have any doubts, please be sure to let us know so that we can help you better.

×
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_1290 not exceed 150 characters
Please enter your content not exceed 3000 characters

Request my quote

Hi,

If you are interested in our products/custom services or have any questions, please let us know so that we can better assist you.

×
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_1290 not exceed 150 characters
Please enter your content not exceed 3000 characters

customized my Products

Hi,

If you are interested in our products/custom services or have any questions, please let us know so that we can better assist you.

×
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_1290 not exceed 150 characters
Please enter your content not exceed 3000 characters