Congsin — Trusted Modified Sine Wave Inverter Manufacturers
Congsin — Reliable Modified Sine Wave Inverter Manufacturers
Congsin (Guangzhou Congsin Electronic Technology Co., Ltd.), established in 1998, is a leading manufacturer of modified sine wave inverters and comprehensive DC→AC power solutions. With over 27 years of focused experience, Congsin designs, R&Ds and manufactures portable power stations, solar charge controllers and a broad range of inverters tailored for vehicles, RVs, trucks, off-grid homes and field applications. As experienced modified sine wave inverter manufacturers, we blend proven reliability with cost-effective performance.
Product Range & Typical Applications
Our catalog includes 100+ models, including modified sine wave inverters optimized for vehicle electronics, camping and basic off-grid loads. These models are ideal for powering lights, small appliances, tools and electronic devices where a budget-friendly, robust AC source is required. Congsin’s product lineup supports solar systems, portable power, patrol and field construction work.
Quality, Safety and Certifications
Congsin operates automated production lines and advanced testing equipment to ensure product reliability and intelligent functionality. Our quality system is ISO9001 certified and many products meet CE, EMC, LVD, ETL, FCC, RoHS and E‑MARK standards. Several independently developed patents validate our engineering capability and commitment to safe, compliant inverter manufacturing.
Customization, OEM/ODM and Private Label
We support flexible OEM/ODM services and private labeling to meet partner specifications. As expert modified sine wave inverter manufacturers, Congsin offers bespoke customization — from firmware and connector options to enclosure design and packaging — enabling seamless integration into OEM supply chains and branded product offerings.
Global Reach and After-Sales Support
Congsin products serve markets across Europe, the Americas, the Middle East, Africa and Southeast Asia. Many models are supplied to domestic and international OEM channels with full technical support, warranty service and spare parts availability. Our mission is to deliver reliable, efficient and affordable energy solutions that enable energy independence.
Why Choose Congsin?
Choose Congsin for decades of manufacturing expertise, certified quality, extensive model variety and responsive customization. Whether you need a cost-effective modified sine wave inverter for basic AC loads or a tailored solution for an OEM program, Congsin delivers dependable performance and global support.
modified sine wave inverter manufacturers Display
How does the UPS function of this inverter work?
When the external power supply is normal, the inverter powers the device while charging the battery; when the external power supply is interrupted, it automatically switches to battery power to ensure uninterrupted operation of the device.
What devices can be powered by this inverter?
Suitable for TVs, fans, computers, and small tools.
Is customization available?
OEM/ODM support for logo, color, and packaging design.
Does it include protection features?
Yes, it has sixfold safety protection for reliable performance.
What is the reason for the inverter automatically shutting down during operation?
It is likely that the protection mechanism is triggered: 1. Load overload (total power of connected devices exceeds 1000W); 2. Abnormal input voltage (battery voltage <10.8V or >14.5V); 3. Device overtemperature (excessively high ambient temperature or cooling fan failure). It is recommended to disconnect some loads, check the battery voltage or clean the heat dissipation port before trying again.
3000W Full-Power Modified Sine Wave Inverter with UPS Function, DC 12V to AC 220V Power Converter, Support Automatic Power-Off Switching
3000W Full-Power Modified Sine Wave Inverter with UPS Function, DC 12V to AC 220V Power Converter, Support Automatic Power-Off Switching
2000W Modified Sine Wave Inverter, DC 12V to AC 220V Power Inverter with 2 AC Sockets, 2 Cooling Fans & Battery Terminal Wire (Model: CS2000BIG)
2000W Modified Sine Wave Inverter, DC 12V to AC 220V Power Inverter with 2 AC Sockets, 2 Cooling Fans & Battery Terminal Wire (Model: CS2000BIG)
2000W Modified Sine Wave Inverter with UPS Function
2000W Modified Sine Wave Inverter with UPS Function
CS1000USB 1000W Modified Sine Wave Inverter with USB, Universal Socket & Battery Clip
CS1000USB 1000W Modified Sine Wave Inverter with USB, Universal Socket & Battery Clip
1000W 1500W 2000W UPS POWER INVERTER WITH CHARGER 10A 15A 20A DC TO AC 12v24v 110v 220V
1000W 1500W 2000W UPS POWER INVERTER WITH CHARGER 10A 15A 20A DC TO AC 12v24v 110v 220V
1000W 1500W 2000W UPS POWER INVERTER WITH CHARGER 10A 15A 20A DC TO AC 12v24v 110v 220V
1000W 1500W 2000W UPS POWER INVERTER WITH CHARGER 10A 15A 20A DC TO AC 12v24v 110v 220V
1500W Modified Sine Wave Inverter, DC 12V to AC 220V Power Inverter with LED Display, 3 USB Ports, 1 Type-C, 1 DC 12V Output & Two Universal Sockets
1500W Modified Sine Wave Inverter, DC 12V to AC 220V Power Inverter with LED Display, 3 USB Ports, 1 Type-C, 1 DC 12V Output & Two Universal Sockets
Dual Input Modified Sine Wave Car Inverter DC12V/24V to AC220V Multi-interface Power Converter 150W
Dual Input Modified Sine Wave Car Inverter DC12V/24V to AC220V Multi-interface Power Converter 150W
low frequency solar inverter 12v/24v/48v pure sine wave power inverter2000w 3000w 4000w 5000w 6000w 8000w 10000w 12000w
low frequency solar inverter 12v/24v/48v pure sine wave power inverter2000w 3000w 4000w 5000w 6000w 8000w 10000w 12000w
1000W Modified Sine Wave Inverter with UPS Charger DC12V to AC220V 600W Rated Power Dual Universal Socket Inverter
1000W Modified Sine Wave Inverter with UPS Charger DC12V to AC220V 600W Rated Power Dual Universal Socket Inverter
300W Modified Sine Wave Inverter DC12V to AC220V 4 USB Ports Dual Universal Sockets Inverter with LCD Display (with Cigarette Lighter, Battery Clip)
300W Modified Sine Wave Inverter DC12V to AC220V 4 USB Ports Dual Universal Sockets Inverter with LCD Display (with Cigarette Lighter, Battery Clip)
500W Modified Sine Wave Inverter (Rated 360W) DC12V to AC220V 4 USB Ports (6.8A) Dual LED Display Inverter with Reverse Protection
500W Modified Sine Wave Inverter (Rated 360W) DC12V to AC220V 4 USB Ports (6.8A) Dual LED Display Inverter with Reverse Protection
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 Peak 720W) DC12V to AC220V Inverter with LED Display Universal Socket
Patent Model 2000W Modified Sine Wave Inverter DC12V to AC220V Multi-interface Independent Control Power Converter
Patent Model 2000W Modified Sine Wave Inverter DC12V to AC220V Multi-interface Independent Control Power Converter
500W Modified Sine Wave Inverter with UPS Charger DC12V to AC220V 360W UPS Power Converter
500W Modified Sine Wave Inverter with UPS Charger DC12V to AC220V 360W UPS Power Converter
150W Dual Input Modified Sine Wave Car Inverter DC12V/24V to AC220V Multi-interface Power Converter
150W Dual Input Modified Sine Wave Car Inverter DC12V/24V to AC220V Multi-interface Power Converter
200W Modified Sine Wave Car Power Inverter, Dual Input DC12V/24V to AC220V with Type-C & Dual USB Ports
200W Modified Sine Wave Car Power Inverter, Dual Input DC12V/24V to AC220V with Type-C & Dual USB PortsHow to Choose the Right Solar Panel System for Your Home?
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