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Professional supplier of power supply products

Compact Power, Infinite Possibilities

CS1000USB Modified Sine Wave Inverter delivers stable 1000W output with USB port, universal socket, and battery clip — perfect for home, car, or outdoor power backup.

Power Up Your Journey Anytime, Anywhere!

150W Modified Sine Wave Inverter with dual DC12V/24V input, AC 220V output, LED display, 4 USB ports, Type - C port, and more, perfect for on - the - go power needs.

Congsin—Power Inverter Manufacturers & Energy Solution Experts

27
+

Years inverter R&D experience

300
+

Successful projects

150
+

Exporting countries and regions

◼ Hot Products

High-Performance Power Inverter Series

Explore Congsin’s professional range of DC to AC power inverters, engineered for maximum conversion efficiency and reliability. From Pure Sine Wave to Modified Sine Wave technology, our series provides the perfect energy backbone for residential, mobile, and solar applications

Customize Inverter - Congsin
Congsin Red Shell 300W Mini Car Power Inverter 12V to 110V DC to AC Dual USB Battery Clamps Portable

Congsin Red Shell 300W car inverter with two USB ports converts 12V to 110V efficiently. This 300W mini inverter 12V battery clip for camping ensures portable power for devices. Compact, durable, and reliable for travel, it’s the perfect DC to AC solution for your vehicle and outdoor needs.

Congsin Red Shell 300W Mini Car Power Inverter 12V to 110V DC to AC Dual USB Battery Clamps Portable
Modified Sine Wave Inverter - Congsin
500W Single Phase Sine Wave Inverter DC12V to AC220V Off-grid Sine Wave Inverter
Congsin 500W Power Inverter converts DC12V to AC220V with pure sine wave stability. This Mini Power Inverter features a built-in USB port for mobile charging, making it ideal for off-grid use. Reliable, compact, and efficient, our Inverter with USB Port ensures safe power for your electronics.
500W Single Phase Sine Wave Inverter DC12V to AC220V Off-grid Sine Wave Inverter
3000W Inverter - Congsin
Manufacturer Wholesales 3000W Single Phase Power Inverter Home Camping Appliance
Congsin's 3000W Off-Grid Pure Sine Wave Solar Inverter: Power your home or camping with reliable, clean energy. Features universal socket & a one-year warranty for peace of mind.
Manufacturer Wholesales 3000W Single Phase Power Inverter Home Camping Appliance
Inverter with LCD Display - Congsin
1500W Off-grid Sine Wave Inverter Pure Sine Wave Inverter with LCD Display and OEM Available
Congsin's 1500W Pure Sine Wave Inverter for Solar delivers reliable off-grid power. Featuring an intuitive LCD screen and customizable OEM options, it ensures clean, stable electricity for your essential needs.
1500W Off-grid Sine Wave Inverter Pure Sine Wave Inverter with LCD Display and OEM Available
c01df7f91f6b9e6ef866d30f948f780b - Congsin
Factory Direct Grid-Tie Solar Inverter, Off Grid & On Grid Dual Mode Hybrid Inverter with MPPT Controller
Congsin's Factory Direct Hybrid Solar Inverter with MPPT: seamless grid-tie and off-grid power. Maximize energy independence and savings with this dual-mode solution.
Factory Direct Grid-Tie Solar Inverter, Off Grid & On Grid Dual Mode Hybrid Inverter with MPPT Controller
c01df7f91f6b9e6ef866d30f948f780b - Congsin
Factory Direct Sales 6000W Hybrid Solar Power Inverter with Controller and LCD Display
Congsin's 6000W Hybrid Solar Power Inverter delivers reliable backup power with High Voltage MPPT technology. This versatile On-Grid Off-Grid Hybrid Solar Inverter Charger, featuring an LCD display, ensures efficient energy management. Get factory direct sales for your solar system.
Factory Direct Sales 6000W Hybrid Solar Power Inverter with Controller and LCD Display

◼ Solutions

Integrated Power Inverter Solutions

Home Battery & Hybrid Inverter Solutions

Maximize solar self-consumption with our advanced hybrid inverter technology. Congsin provides integrated home storage solutions that ensure a seamless pure sine wave backup, protecting sensitive household electronics during grid outages.

Mobile & RV Power Inverter Solutions

Experience high-efficiency DC to AC power conversion on the move. Our compact mobile inverters deliver stable, multi-port energy for RVs and off-grid camping, ensuring your devices stay powered anywhere, anytime.

Off-Grid Solar Inverter Solutions

Empower remote locations with autonomous off-grid inverter systems. Our integrated microgrid solutions optimize energy conversion efficiency, providing a sustainable and robust power backbone where traditional grid access is unavailable.

Thinking About Customization?

Get Flexible Options That Fit Your Budget

Need a trusted logistics partner to optimize your supply chain? Whether you’re looking for freight transportation, fleet management, or global logistics coordination, our team is ready to assist.

◼ Partnership

Global Partnership & Growth Opportunities

Congsin empowers global brands and distributors with flexible collaboration models and reliable power inverter solutions. Whether you are looking to become a distributor or need deep OEM/ODM customization, our 27 years of R&D expertise ensures a seamless partnership that drives your business forward in the renewable energy market.

Become our distributor

Join Congsin to expand your business with

reliable power solutions.

Join us

Clients Using Congsin Power

Inverter Solutions

200+

OEM/ODM Customization

Tailored power solutions to meet unique client specifications efficiently.

◼ Projects

Proven Power Inverter Projects & Case Studies

Discover how Congsin’s tailored energy conversion solutions solve real-world power challenges across the globe. From specialized RV inverter integration to complex off-grid solar backup projects, our showcased cases demonstrate our commitment to precision engineering and customer success in 150+ countries.

eruvian-Client-300W-Modified-Wave-Energy-Storage-Power - Congsin
Peruvian Client 300W Modified Wave Energy Storage Power Supply Case Study
December 03, 2025
December 3, 2025
Peruvian Client 300W Modified Wave Energy Storage Power Supply Case Study
Inverter with LED Display - Congsin
Empowering Chilean Retail Group: 500W Inverter Solves South American Home & Car Emergency Power Pain Points
April 08, 2026
April 8, 2026
Empowering Chilean Retail Group: 500W Inverter Solves South American Home & Car Emergency Power Pain Points
300W Modified Sine Wave Inverter - Congsin
Empowering German Outdoor Brand Thomas Weber: 300W Inverter for European Car Emergency Power Market
April 08, 2026
April 8, 2026
Empowering German Outdoor Brand Thomas Weber: 300W Inverter for European Car Emergency Power Market
Solar Power Inverter - Congsin
Empowering Rural Water Supply in Ghana: Congsin Modified Sine Wave Inverters Solve Power Challenges in Remote African Areas
April 16, 2026
April 16, 2026
Empowering Rural Water Supply in Ghana: Congsin Modified Sine Wave Inverters Solve Power Challenges in Remote African Areas
360vr office - Congsin
CONGSIN FACTORY - Congsin
CONGSIN FACTORY - Congsin

◼ About us

Congsin Factory

Congsin is a leading power inverter manufacturer founded in 1998 with over 27 years of industry expertise. Based in Guangzhou, China, we specialize in DC-to-AC power conversion solutions.

Founder

Established in 1998

Service Scope

OEM/ODM Solutions

Factory Scale

Covering 30,000 ㎡

Service Areas

Nationwide & International

More About

◼ Info Center

The Latest News of Congsin

Check out our newest announcements, product launches, and market insights to keep your business moving forward.

Heavy-duty automotive power inverter installed in a professional fleet service van - Congsin
Mobile Infrastructure: Deploying UPS Power Inverters in Fleet and RV Applications
Jun 29, 2026

Master mobile power deployment with this 2026 guide to automotive inverters for fleets and RVs. Learn precise load sizing, pure sine wave benefits, strict AWG wiring protocols, and battery runtime math to ensure safe, fail-proof off-grid infrastructure.

29
Jun
Mobile Infrastructure: Deploying UPS Power Inverters in Fleet and RV Applications
Heavy duty pure sine wave inverter charger hardwired into a mobile utility vehicle microgrid - Congsin
Installation Schematics: Safely Wiring a UPS Inverter into Vehicle Electrical Systems
Jun 26, 2026

An advanced engineering and installation guide for fleet technicians and specialty vehicle upfitters. Master DC ampacity calculations, dynamic grounding topologies, and multi-source AC distribution compliance.

26
Jun
Installation Schematics: Safely Wiring a UPS Inverter into Vehicle Electrical Systems
Heavy-duty industrial camper UPS inverter charger installed inside a luxury off-grid RV utility bay - Congsin
Off-Grid Mobile Habitats: Sustaining Heavy Loads with Camper UPS Inverters
Jun 25, 2026

An engineering analysis of onboard power dynamics for RV manufacturers and vehicle upfitters. Master low-frequency transformer topologies, surge management, and seamless microgrid switching.

25
Jun
Off-Grid Mobile Habitats: Sustaining Heavy Loads with Camper UPS Inverters
Heavy-duty pure sine wave car inverter charger installed in a commercial utility vehicle - Congsin
Mobile Power Stability: Selecting the Optimal Inverter Charger for Utility Vehicles
Jun 22, 2026

A rigorous engineering evaluation for fleet managers and specialty vehicle upfitters. Master mobile infrastructure charging, multi-stage topologies, and electrical safety standards for demanding utility fleets.

22
Jun
Mobile Power Stability: Selecting the Optimal Inverter Charger for Utility Vehicles

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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.

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Name must not exceed 100 characters.
Invalid email format or length exceeds 100 characters. Please re-enter.
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