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Professional supplier of power supply products

OEM & ODM Services

Congsin is a leading manufacturer specializing in DC-to-AC power inverter and energy conversion solutions with over 27 years of expertise. We provide full-service OEM & ODM manufacturing for global brands, distributors, and energy solution providers. Our products span residential, commercial, and industrial applications, including power inverters, solar battery systems, portable power stations, and customized power solutions. With clients in 150+ countries and strong R&D capabilities, we transform your ideas into reliable power solutions that align with your brand and market needs.

OEM Services

Our OEM (Original Equipment Manufacturing) service allows you to launch Congsin-manufactured power conversion products under your own brand, delivering fast go-to-market capability with proven quality.

✧ Logo & Branding Customization

✧ Housing Color & Label Printing

✧ Packaging Design & Labeling

✧ Standard Technology Adaptation

Customize Now
Customization - Congsin

ODM Services

Our ODM (Original Design Manufacturing) services cover complete design, development, and production of fully customized power solutions — from appearance to specification. Ideal for brands seeking differentiated, proprietary technology in energy conversion markets.

✧ Full Structural & Industrial Design

✧ Custom Electrical Specifications (e.g. Voltage, Output, Wattage)

✧ Complete PCB/Software Development

✧ Tailor-made Features (App/Smart Control/Ports)

✧ Market- and Application-specific Solutions

Customize Now
ODM SERVICES - Congsin

What Can Be Customized

We support customization at multiple levels based on your business goals, target market, and product positioning:

best buy car inverter - Congsin
Design & Structure
External casing, size, port layout
car battery inverter - Congsin
Technical Specs
Voltage, power rating, wave outputs, battery type
Branding - Congsin
Branding
Silk-screen logo, nameplate, color accents
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Packaging
Color box, manuals, labels, barcode
car lighter inverter - Congsin
Smart Control
App integration, display screen, protection features
Certifications - Congsin
Certifications
CE, RoHS, FCC, MSDS, country compliance

Latest Power Supply Product Recommendations

Congsin offers a comprehensive range of power supply products, designed to meet the diverse needs of modern applications with advanced technology and high reliability. Our series include:

car battery to power inverter - Congsin
3000W Full-Power Pure Sine Wave Inverter, DC 12V to AC 220V Power Converter, Suitable for High-Power Precision Devices

This 3000W full-power pure sine wave inverter (Model: CS3000PSW) adopts pure sine wave output technology (waveform distortion rate <2%), and the output power is highly consistent with mains power quality. It can safely drive high-power precision loads such as air conditioners, refrigerators, medical instruments, and small industrial equipment, avoiding equipment malfunctions or shortened service life caused by unstable waveforms. The device supports DC 12V input (compatible with 10.5V-14.8V wide voltage), continuously outputs 3000W full power, and has a peak power of 6000W, easily coping with the instantaneous startup impact of high-power devices; it is equipped with 4 AC universal sockets (max current 16A) + 2 USB 3.0 fast-charging ports (22.5W per port) to meet the simultaneous power supply needs of multiple devices. Built-in six-fold safety protection (overload, overvoltage, undervoltage, short circuit, overtemperature, reverse connection), combined with dual intelligent silent cooling fans (noise ≤45dB), it achieves the triple advantages of "high power + high safety + low noise," suitable for home emergency, outdoor engineering, vehicle-mounted power supply, small industrial scenarios and other fields.

3000W Full-Power Pure Sine Wave Inverter, DC 12V to AC 220V Power Converter, Suitable for High-Power Precision Devices
ac to dc car inverter - Congsin
1000W Modified Sine Wave Inverter with UPS Charger DC12V to AC220V 600W Rated Power Dual Universal Socket Inverter

This 1000W modified sine wave inverter has UPS charging function, with DC12V input and AC220V output, and 600W rated power. Equipped with dual universal sockets, two USB ports, an LCD display, and a battery clip, it is professionally designed and has stable performance. It can provide stable AC power conversion and UPS emergency power supply for computers, small home appliances, electronic devices, etc. in home emergency, office, outdoor and other scenarios, meeting the needs of simultaneous power supply and emergency power supply for multiple devices.

1000W Modified Sine Wave Inverter with UPS Charger DC12V to AC220V 600W Rated Power Dual Universal Socket Inverter
1500W Pure Sine Wave Inverter with Remote Control Function - Congsin
1500W Pure Sine Wave Inverter with Remote Control Function

This 1500W pure sine wave inverter converts DC 12V to AC 220V power, with a rated power of 1500W and a peak power of 3000W. Equipped with dual fans, LCD display, QC3.0 and PD Type-C fast charging ports, and remote control capability for stable and intelligent power output.

1500W Pure Sine Wave Inverter with Remote Control Function
2000w car inverter - Congsin
2000W Modified Sine Wave Inverter, DC 12V to AC 220V Power Inverter with 2 AC Sockets, 2 Cooling Fans & Battery Terminal Wire (Model: CS2000BIG)

Our CS2000BIG 2000W modified sine wave inverter is a high-power power conversion device that converts DC 12V from batteries into AC 220V electricity. It is designed for heavy-duty use, featuring 2 AC sockets to power multiple high-power devices simultaneously, 2 cooling fans for efficient heat dissipation, and battery terminal wire for stable connection. With its robust construction and large capacity, it is an ideal solution for powering tools, appliances, and equipment in various scenarios, from industrial use to home emergencies.

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 Full-Power Pure Sine Wave Inverter - Congsin
2000W Full-Power Pure Sine Wave Inverter, DC 12V to AC 220V Power Converter, Equipped with 3 AC Universal Sockets

This 2000W full-power pure sine wave inverter (Model: CS2000PSW-3S) adopts pure sine wave output technology (waveform distortion rate <3%), and the output power is close to mains power quality, which can safely drive precision electronic devices such as computers, inverter air conditioners, medical instruments, and audio equipment, avoiding equipment malfunctions or damage caused by unstable waveforms. The device supports DC 12V input (compatible with 10.5V-14.8V wide voltage), continuously outputs 2000W full power, and has a peak power of 4000W, easily meeting the instantaneous startup needs of high-power devices; it is core-equipped with 3 AC universal sockets (max current 16A), which can supply power to multiple home appliances or devices at the same time, and is matched with 2 USB 3.0 fast-charging ports (22.5W per port), balancing high-power supply and digital product charging. Built-in five-fold safety protection (overload, overvoltage, undervoltage, short circuit, and overtemperature), combined with dual silent cooling fans (noise ≤42dB), it achieves both safety and stability, suitable for home emergencies, outdoor operations, vehicle-mounted power supplies, small commercial and other scenarios.

2000W Full-Power Pure Sine Wave Inverter, DC 12V to AC 220V Power Converter, Equipped with 3 AC Universal Sockets
car charger inverter - Congsin
2000W Dual Input Modified Sine Wave Power Inverter (12V/24V or 48V/60V)

This 2000W modified sine wave inverter features a dual-input voltage design (12V/24V or 48V/60V), making it compatible with various DC systems. Compact, efficient, and versatile, it delivers a stable AC 220V output for home, vehicle, and solar power applications.

2000W Dual Input Modified Sine Wave Power Inverter (12V/24V or 48V/60V)
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3000W Full-Power Pure Sine Wave Inverter (Labeled 6000W), DC 12V to AC 220V Power Converter, Suitable for High-Power Devices

This pure sine wave inverter (Model: CS3000PSW-L6000) features "3000W full continuous power output + labeled 6000W peak power." Adopting pure sine wave output technology (waveform distortion rate <2%), its power quality is close to mains power, which can safely drive high-power precision devices such as air conditioners, refrigerators, electric tools, and medical instruments, avoiding equipment malfunctions caused by unstable waveforms. The device supports DC 12V input (compatible with 10.5V-14.8V wide voltage): 3000W continuous power meets long-term stable power supply, and 6000W peak power easily copes with the instantaneous startup impact of devices. Equipped with 4 AC universal sockets (16A) and 2 USB 3.0 fast-charging ports (22.5W/port), it can supply power to 6 devices simultaneously. Built-in six-fold protection (overload, overvoltage, undervoltage, short circuit, overtemperature, and reverse connection), combined with dual intelligent silent cooling fans (noise ≤45dB), balances high-power performance and safety, making it suitable for home emergencies, outdoor engineering, vehicle-mounted power supplies, small commercial and other scenarios.

3000W Full-Power Pure Sine Wave Inverter (Labeled 6000W), DC 12V to AC 220V Power Converter, Suitable for High-Power Devices
inverter car - Congsin
3000W Full-Power Modified Sine Wave Inverter with UPS Function, DC 12V to AC 220V Power Converter, Support Automatic Power-Off Switching

This 3000W full-power modified sine wave inverter (Model: CS3000UPS) is a multi-functional device integrating power conversion and emergency power supply. It can convert DC 12V battery power to AC 220V household voltage to meet the power needs of high-power devices; it is equipped with a core UPS function, which can automatically switch to battery power supply when the mains power is interrupted (switching time < 10ms), ensuring uninterrupted operation of key devices such as computers, servers, and medical equipment. The device is equipped with 3 AC universal sockets, 2 USB fast-charging ports, combined with an intelligent heat dissipation system and overload protection device, balancing practicality and safety, suitable for home, office, outdoor operations and other scenarios.

3000W Full-Power Modified Sine Wave Inverter with UPS Function, DC 12V to AC 220V Power Converter, Support Automatic Power-Off Switching

Your Product, Our Expertise: Congsin’s Customization Process

Every stage of our process—design, prototyping, certification, and production—is carefully managed to guarantee precision and quality.

01

Project Consultation

Collect and analyze brand needs, application scenarios, and target specs.

02

Design & Technical Proposal

Render industrial concepts and electrical configurations for approval.

03

Sample & Prototype Testing

Create functional samples/prototypes for full testing and quality validation.

04

Contract & Mass Production

Sign agreement and begin production with automated machinery.

05

Quality Control

Conduct strict QC including aging tests, load tests, vibration tests.

06

Global Delivery & After-sales Support

Provide logistics, warranty, and long-term support for distributors.

Congsin's Production & R&D Strength

At Congsin, we combine state-of-the-art production facilities with innovative R&D expertise to deliver high-quality, customized solutions.

CONGSIN Factory-04 - Congsin
Factory Capacity
✧ 2 production bases, 10,000m² total
✧ Annual capacity: 200,000+ units of inverters
✧ 10+ assembly lines with auto-testing stations
CONGSIN Factory-05 - Congsin
R&D Capabilities
✧ 15+ engineers specialized in power electronics
✧ PCB design, firmware programming, EMS development
✧ Testing platforms for overload, surge, and EMC
Core Equipment - Congsin
Core Equipment
✧ SMT production lines
✧ PCB assembly & calibration systems
✧ 24h aging test cabinets, EMC chambers
Quality Assurance - Congsin
Quality Assurance
✧ CE, RoHS, FCC certified products
✧ ISO9001 quality management system

After-Sales Service & Support

✧ Technical Training & Manuals

✧ 1–3 Year Warranty Options

Congsin is more than a manufacturer — we’re your long-term partner in power innovation and product success.

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After-Sales Service & Support - Congsin

Frequently Asked Questions

Still have questions?

Delve into our list of frequently asked questions about stage effects equipment. Here, we address and clarify your top concerns.

More Answers
OEM & ODM Services
What certifications do your products comply with?

All products meet CE, RoHS, FCC, and other market-specific compliance standards.

Do you provide support for shipping and customs clearance?

Yes, we offer international logistics solutions including export documentation and customs advice.

What’s the main difference between your OEM and ODM services?

OEM uses your brand on our standard products; ODM creates entirely new products based on your concept or specification.

Can I order samples before production?

Yes, we offer sample evaluation and prototype testing.

Get in Touch With Congsin

You can also communicate with us directly through our online contact form. Please fill in the following information, and our team will contact you as soon as possible after receiving your message.

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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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Invalid email format or length exceeds 100 characters. Please re-enter.
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