




The Dual DC Power Supply is a compact AC-DC power supply board designed to provide stable DC power for various electronic devices. With an AC input voltage of 100–240V and multiple DC output configurations, including 7.5V/2.4A, 9V/2A, and 12V/1.5A, this 18W power supply board offers flexible power conversion for different electronic applications.
Featuring an AC-DC conversion efficiency of at least 80%, multiple safety protection functions, and a compact PCB structure, this Dual DC Power Supply board is suitable for weak current wiring boxes, routers, switches, and other 3C electronic products.
As a professional power supply board manufacturer, we provide OEM power supply solutions to meet different product integration and customization requirements.

| Parameter | Specification |
|---|---|
| Product Name | Dual DC Power Supply |
| Product Type | AC-DC Power Supply Board |
| Input Voltage | AC 100–240V |
| Output Voltage | 7.5V / 9V / 12V |
| Output Current | 2.4A / 2A / 1.5A |
| Output Power | 18W |
| Power Conversion Efficiency | ≥80% |
| Protection Functions | Overvoltage, short circuit, overload, overtemperature |
| Operating Temperature | -20°C to +50°C |
| Dimensions | 120 × 20 × 22 ±0.2mm |
| Customization | OEM customization supported |
The Dual DC Power Supply supports three output voltage configurations: 7.5V/2.4A, 9V/2A, and 12V/1.5A, with a rated output power of 18W.
These different output options make the power supply board suitable for electronic devices with varying voltage requirements. Buyers can select the appropriate output configuration according to their equipment specifications.
This AC DC power supply board converts AC input power from 100–240V into a stable DC output through its internal conversion and regulation circuits.
With a conversion efficiency of at least 80%, the 18W power supply board helps reduce energy losses during operation. Efficient power conversion also helps minimize unnecessary heat generation and supports reliable performance.
Stable DC output is essential for the normal operation of electronic equipment. The built-in voltage regulation function helps maintain the required output voltage under specified operating conditions.
This feature makes the Dual DC Power Supply a practical power solution for routers, network switches, weak current wiring boxes, and other compatible electronic devices.
The dual DC power supply board integrates several protection functions to support safe and reliable operation.
Overvoltage Protection: Helps protect connected equipment against excessive output voltage.
Short-Circuit Protection: Helps reduce the risk of damage caused by output short circuits.
Overload Protection: Helps protect the power supply when the connected load exceeds its rated capacity.
Overtemperature Protection: Helps prevent overheating-related risks during operation.
These built-in protection mechanisms help improve the reliability of the power supply board and connected electronic products.
With dimensions of approximately 120 × 20 × 22mm (±0.2mm), this compact power supply board is designed for integration into electronic equipment with limited internal space.
Its slim structure makes it suitable for weak current wiring boxes and other embedded power supply applications where installation space is an important consideration.
The Dual DC Power Supply supports an operating temperature range of -20°C to +50°C, allowing it to adapt to different working environments within its specified operating conditions.
This makes it suitable for various indoor electronic equipment and integrated power supply applications.
The 18W Dual DC Power Supply Board is designed for electronic products that require compatible DC voltage and current configurations.
Weak current wiring boxes integrate different low-voltage electronic and networking components. The compact AC-DC power supply board can provide DC power for compatible devices while helping save installation space.
Routers and switches require a stable power source to maintain network connectivity and normal operation. This multi-voltage power supply board can be used in compatible networking equipment that requires 7.5V, 9V, or 12V DC input.
Various 3C electronic products require DC power for their internal circuits and control modules. The Dual DC Power Supply offers different output configurations to support compatible electronic applications.
The compact PCB structure makes this AC-DC power supply board suitable for integration into electronic devices and equipment with limited installation space.
Choosing a reliable power supply board manufacturer is important for electronic product developers, wholesalers, distributors, and OEM buyers.
Our Dual DC Power Supply offers several advantages for different power integration projects:
Multiple output configurations: Supports 7.5V, 9V, and 12V output options to meet different equipment requirements.
Efficient power conversion: Provides conversion efficiency of at least 80%, helping reduce energy losses.
Stable DC output: Built-in voltage regulation supports consistent power delivery under specified operating conditions.
Multiple protection functions: Overvoltage, short-circuit, overload, and overtemperature protection help improve operational safety.
Compact dimensions: The 120 × 20 × 22mm PCB structure supports installation in space-limited equipment.
OEM customization support: Customized power supply board solutions can be discussed according to product specifications and project requirements.
As a power supply board manufacturer, we provide OEM services for customers looking for customized AC-DC power conversion solutions.
Depending on project requirements, customization options may include:
Output voltage and current configurations.
PCB dimensions and layout design.
Component and circuit configuration.
Connector and terminal arrangements.
Product integration requirements.
Branding and production support.
Whether you need a multi-voltage power supply board for networking equipment, a compact AC-DC power module for embedded electronics, or an 18W power supply board for a new product development project, we can discuss a suitable solution based on your technical requirements.
A Dual DC Power Supply is an AC-DC power conversion board designed to provide DC power for electronic equipment. This model supports 7.5V/2.4A, 9V/2A, and 12V/1.5A output configurations, with a rated power of 18W.
The Dual DC Power Supply supports an AC input voltage range of 100–240V, making it suitable for compatible electrical systems in different markets.
This power supply board supports three output configurations: 7.5V/2.4A, 9V/2A, and 12V/1.5A. The actual output configuration should be selected according to the product model and application requirements.
The rated output power is 18W. Buyers should ensure that the connected equipment operates within the specified voltage, current, and power limits.
Compatible applications include weak current wiring boxes, routers, network switches, 3C electronic products, and other embedded electronic equipment requiring supported DC output specifications.
The board includes overvoltage, short-circuit, overload, and overtemperature protection functions to help protect the power supply and connected equipment.
Yes. OEM customization is supported. Customers can discuss output configurations, PCB dimensions, layout requirements, and other product specifications according to their application needs.
Looking for a reliable Dual DC Power Supply Manufacturer for your electronic products?
Our 18W AC-DC power supply board features multiple DC output configurations, efficient power conversion, compact dimensions, and comprehensive protection functions.
Contact us to discuss your project requirements, OEM customization options, and bulk purchasing needs. We are ready to help you find a suitable power supply board solution for your application.