
Understanding AC/DC Conversion: From Mains Voltage to Regulated DC
Why AC/DC Conversion Matters Every electronic device that plugs into a wall outlet needs AC/DC conversion. The mains power delivered
OEM/ODM Power Adapter & Battery Charger Manufacturer Since 2010
📞 +86-13631527465 | ✉ yhysales@yhypower.com
YHYadapter designs and manufactures certified power adapters, battery chargers, PD chargers, and custom power solutions for industrial equipment, medical devices, beauty equipment, smart devices, and OEM projects.
Founded in 2010
OEM / ODM Manufacturing
Engineering Support
Certifications and compliance options vary by product model, application, and target market.
Engineering, customization, compliance support, and manufacturing capabilities for OEM power projects—from initial specification review through production.
ENGINEERING
We review output requirements, load conditions, connector and cable specifications, thermal considerations, and application needs before recommending a suitable power solution.
CUSTOMIZATION
Configure output voltage and current, DC connector, cable length, AC input options, labeling, packaging, and other project-specific requirements.
COMPLIANCE
Safety, EMC, efficiency, and certification requirements can be evaluated according to the selected model, application, and target market.
Certification availability varies by model and project requirements.
Manufacturing
From incoming material inspection and PCB assembly to burn-in, functional testing, final inspection, and OQC, production follows defined quality-control stages.
Desktop Power Adapters
Higher-power AC/DC solutions for industrial and OEM equipment.
Wall Plug Power Adapters
Compact, efficient fixed-plug solutions for everyday and industrial applications.
Interchangeable Power Adapters
Replaceable AC plug options for global market compatibility.
Medical Power Adapters
Power adapter options for medical and personal-care applications.
USB-C PD Chargers
USB-C Power Delivery chargers for fast and efficient device charging.
Open-Frame Power Supplies
Embedded power platforms for equipment integration.
OEM / ODM Power Solutions
Custom output, connector, cable, label and packaging for OEM projects.
12W-300W
Power solutions for PLCs, control systems, automation equipment, and other industrial applications.
24V / 48V
Desktop
Open Frame
37W–65W options available by model
Desktop / Wall / Interchangeable
IEC/EN 60601 support
Power options matched to device requirements
Power adapters and charging solutions for professional beauty equipment, skin-care systems, and aesthetic devices.
Adapters
Battery Charger
OEM
Wall / Desktop
OEM Options
Low Noise
Desktop
Custom DC Output
Battery Charging
USB-C PD
Custom Output
From industrial automation and medical devices to smart home, lighting, rechargeable products, and specialized equipment.
From incoming inspection and production testing to market-specific certification support, quality and compliance requirements are considered throughout the power solution process.
Defined quality-control processes support incoming inspection, production control, testing, final inspection, and traceability.
Electrical and functional checks are performed throughout key production stages.
2-hour burn-in at 40°C under 100% load, followed by comprehensive ATE functional testing with traceable test data.
Safety, EMC, efficiency, and certification requirements are evaluated according to product model, application, and target market.
Certification and compliance options are available depending on product model, application, and target market.
Our engineering team is ready to support your certification and compliance needs.
YHYadapter combines engineering support with in-house production capabilities for AC/DC power adapters, battery chargers, USB-C PD chargers, and customized power solutions.
Automated SMT production and PCB assembly.
Component insertion, first-piece verification, and wave soldering.
DC cable preparation, connector soldering, and custom cable assembly.
Heat-sink installation, dispensing, fastening, enclosure assembly, and ultrasonic welding.
Laser product labeling and project-specific packaging.
Final inspection, OQC, warehousing, and shipment preparation.
60W AC/DC Power Adapter
120W AC/DC Power Adapter
24V DC
120W
300W High-Power Adapter
30V DC
10A
300W
100W PD Charger
PD
100W
GaN
View our complete range of power adapters, chargers, and customized power solutions.
We can customize voltage, connector, cable, label, and packaging to fit your requirements.
Product specifications and availability may vary by model and market.
Technical guides, application notes, and selection resources for OEM engineers and procurement professionals.

Why AC/DC Conversion Matters Every electronic device that plugs into a wall outlet needs AC/DC conversion. The mains power delivered

When specifying an AC/DC power supply for an OEM product, the electrical specifications—voltage, current, power, efficiency—are usually the first variables

Introduction Thermal management is a critical part of power supply design because the energy lost during AC/DC conversion is primarily
Our engineering team can help you find the right solution or provide the technical information you need.
Share your electrical, mechanical, application, and target-market requirements.
Our team will review your project and recommend a suitable power platform and configuration.
Equipment & Use Case
Voltage & Current
Wattage Requirement
Type & Cable Length
Country & Certification
Estimated Demand
Project inquiries are reviewed by our team, with responses typically provided within 24 business hours.