

The AC DC Adapter is a power conversion device designed to convert alternating current (AC) into direct current (DC), providing stable and reliable power for electronic equipment. The HJ-0903 AC DC Adapter supports multiple output options, including 9V 4A, 12V 3A, 18V 2A, and 24V 1.5A, making it suitable for a variety of electronic and electrical applications.
As a professional AC DC Adapter manufacturer and supplier, we provide OEM manufacturing and customized power solutions for businesses with different electrical requirements. Our adapters feature overvoltage, short circuit, overload, and temperature protection. With CE and RoHS certification, we support customers seeking reliable Power Adapters for their products and projects.

An AC to DC Adapter converts AC power from a wall outlet into DC power required by electronic devices. It regulates the output voltage and current to provide an appropriate power supply for compatible equipment.
AC DC adapters are widely used in consumer electronics, household appliances, industrial control systems, surveillance equipment, and other applications requiring a stable DC power source.
The HJ-0903 is designed to support multiple voltage and current configurations. Its OEM customization capability allows customers to request suitable output parameters according to their product requirements.
| Specification | Details |
|---|---|
| Model | HJ-0903 |
| Product Type | AC DC Adapter |
| Custom Processing | OEM |
| Certification | CE / RoHS |
| Input Voltage | AC 100–240V |
| Input Frequency | 50/60Hz |
| Output Options | 9V 4A, 12V 3A, 18V 2A, 24V 1.5A |
| Output Power | 36W |
| Working Efficiency | ≥80% |
| Working Temperature | -20°C to +50°C |
| Storage Temperature | -20°C to +80°C |
| Humidity | 10%–90% RH |
| Protection Functions | Overvoltage, Short Circuit, Overload, Temperature Protection |
| Customization | Output parameters can be customized |
| Application | Consumer Electronics, Home Appliances, Industrial Equipment |
The HJ-0903 AC DC Power Adapter offers several output configurations to accommodate different power requirements:
9V 4A
12V 3A
18V 2A
24V 1.5A
These options allow customers to select a suitable power adapter for compatible electronic devices. Customized output parameters can also be discussed for OEM projects.
Supporting an input voltage of AC 100–240V and a frequency of 50/60Hz, this AC to DC Power Adapter is designed for use with compatible power systems in different markets.
Its wide input voltage range makes it suitable for various international applications, subject to the electrical requirements of the destination market.
Reliable power conversion requires appropriate protection against electrical faults. The HJ-0903 includes several protection functions:
Overvoltage protection: Helps protect connected equipment against excessive output voltage.
Short circuit protection: Provides protection under short circuit conditions.
Overload protection: Helps protect the adapter when the load exceeds its designed operating limits.
Temperature protection: Helps manage excessive temperature during operation.
These functions support safer and more reliable power delivery in compatible applications.
The HJ-0903 carries CE and RoHS certification according to the provided product specifications.
CE relates to applicable European product compliance requirements, while RoHS addresses restrictions on certain hazardous substances in electrical and electronic equipment. These certifications can support customers evaluating power adapters for international markets.
As an OEM AC DC Adapter manufacturer, we support customized product parameters according to customer requirements.
Depending on the project, customization requests may include output voltage, output current, connector interface, and other relevant specifications. Final configurations should be confirmed according to the device's electrical requirements and product design.
The HJ-0903 AC DC Power Supply Adapter can be considered for a variety of applications where its electrical specifications match the equipment requirements.
AC DC adapters provide external DC power for compatible electronic products and accessories. Selecting the correct voltage, current, connector, and polarity is essential for reliable operation.
The adapter can be used with compatible smart home products, wireless speakers, surveillance cameras, and small household electronics that require a suitable DC power input.
Sensors, electronic control systems, and selected automation devices may require a stable DC power source. The appropriate adapter configuration should be selected according to the equipment's power requirements and operating environment.
Compatible monitoring and control products can use an AC DC adapter to convert mains electricity into the required DC output.
For medical, automotive, or other safety-critical applications, additional product-specific compliance and electrical validation may be required before the adapter is selected.
Choosing a reliable AC DC Adapter manufacturer is important for electronic product companies, importers, distributors, and equipment manufacturers.
We provide OEM manufacturing services to support businesses that require dependable power conversion products and customized specifications.
Our OEM service can support:
Customized output voltage and current
Power adapter parameter adjustments
Connector and interface requirements
OEM production for customer brands
Bulk orders and wholesale supply
Power solutions for different electronic applications
Customers can provide their required electrical parameters, target application, estimated order quantity, and customization requirements for evaluation.
As an AC DC Adapter supplier, we focus on manufacturing support and customized power solutions for B2B customers.
We provide AC DC adapter products for businesses that need suitable power solutions for electronic equipment and product development projects.
The HJ-0903 supports OEM processing, with parameters customizable according to customer needs. This allows customers to discuss output configurations and other specifications for their applications.
CE and RoHS certification, together with built-in protection functions, supports customers seeking power adapters for their product lines and target markets.
We work with importers, wholesalers, distributors, and electronic equipment manufacturers that require batch supply and OEM cooperation.
If you are looking for a reliable AC DC Adapter factory for customized power products, contact us with your specifications and purchasing requirements.
An AC DC Adapter converts alternating current from a power source into direct current for compatible electronic devices. It provides the voltage and current required by the connected equipment.
The listed output options are 9V 4A, 12V 3A, 18V 2A, and 24V 1.5A, with a rated output power of 36W.
Yes. The HJ-0903 supports OEM processing, and parameters can be customized according to customer requirements.
The input voltage is AC 100–240V, with an input frequency of 50/60Hz.
The HJ-0903 includes overvoltage, short circuit, overload, and temperature protection.
According to the provided product information, the HJ-0903 carries CE and RoHS certification.
Check the equipment's required output voltage, current, power, connector type, polarity, and operating conditions. The selected adapter must be compatible with the device's electrical specifications.
Yes. As an AC DC Adapter manufacturer and supplier, we support OEM cooperation and bulk purchasing inquiries. Contact us to discuss your specifications, order quantity, and delivery requirements.