Versatile Power Solutions for Global Markets

Versatile Power Solutions for Global Markets

Precision engineering & superior internal craftsmanship.

Products

Reliable • Innovative • Proven

Desktop Type Power Adapters

Tailored power supply design delivers versatile power supply solutions, our desktop units belong to stable AC-DC power supplies with optional multi output power supply layouts for diverse stationary devices.

Interchangeable Plug Power Adapters

As reputable power supply manufacturers, we optimize DC-DC converters inside these interchangeable-plug adapters to adapt international voltage standards.

Wall-Mounted Adapters

Compact wall-mounted AC-DC power supplies support high voltage power supplies customization to meet harsh industrial power demands.

GaN PD Chargers (Interchangeable)

Our mature power supply design empowers compact GaN chargers, delivering flexible power supply solutions for consumer fast-charging scenarios.

Medical Grade Power Adapters

Working as trusted medical power supply manufacturers as well as a professional medical power supplier, our adapters pass strict medical safety certifications.

PD Power Adapters

Built with premium DC-DC converters, our PD adapters offer adjustable multi output power supply settings for electronics fast charging.

POE Power Adapters

Reliable high voltage power supplies from our factory serve POE networking gear, and we provide bespoke power supply design for network projects.

Ultra-thin GaN PD Chargers (Support Wireless Watch Charging)

Top-tier power supply manufacturers craft these slim chargers, offering all-round power supply solutions covering wearable gadget charging needs.

Power Supplies

Merryking Electronics has been specializing in power supply design and manufacturing in Shenzhen since 2005, focusing on global power supply solutions.

As leading power supply manufacturers and professional medical power supply manufacturers, we provide a full line of AC-DC power supplies, high voltage power supplies, DC-DC converters and multi-output power supplies, with an emphasis on modified standard and customized power supply solutions. We are also a certified medical power supplier serving global customers with reliable and certified power products.

We provide both standard off-the-shelf and custom-tailored power solutions matching your unique needs. Our power supplies prioritize reliability, efficiency and safety to deliver steady, robust performance. Browse our wide product range to get ideal options for your applications.

Introducing Merryking

Your Trusted Power Supply Partner

Our long history of innovation and technology leadership, broad portfolio of proprietary products and global technical talent help solve our customers' most challenging power delivery problems for:

Semiconductor Equipment
Industrial and Medical Product
Data Center Computing
Telecom and Networking Applications

Company Profile

Introducing Merryking

Your Trusted Power Supply Partner

Our long history of innovation and technology leadership, broad portfolio of proprietary products and global technical talent help solve our customers' most challenging power delivery problems for:

Semiconductor Equipment
Industrial and Medical Product
Data Center Computing
Telecom and Networking Applications

Company Profile

Solutions

ICT Equipment

Reliable AC-DC power supplies and customizable multi output power supply options from leading power supply manufacturers power laptops, routers, and communication devices.

Security & Surveillance

Tailored power supply solutions with optimized DC-DC converters deliver steady power for IP cameras, NVRs, and access control systems.

Audio / Video

Proficient power supply design adapts our power adapters to power TVs, soundbars, projectors and all kinds of AV equipment.

Home Appliances

Certified high voltage power supplies and flexible power supply solutions power smart-home and kitchen appliances safely.

Medical Equipment

As qualified medical power supply manufacturers and a trusted medical power supplier, we offer low-ripple adapters with strict safety certs for medical devices.

Consumer Electronics

Expert power supply design yields compact chargers and multi output power supply variants for smartphones, tablets, and wearables.

LED Lighting

Our factory as seasoned power supply manufacturers provides constant-voltage DC-DC converters to drive indoor and outdoor LED systems.

UAV

Compact high voltage power supplies and bespoke power supply solutions supply lightweight chargers and power modules for drone fleets.

2026-07-08

How to Choose the Right rotary dimmable LED power supply

Learn how to choose the right rotary dimmable LED power supply with wattage charts, safety margins, and sizing tips for stable, flicker-free LED lighting.

2026-07-07

What Is a power adapter for energy storage systems

Learn how to select a power adapter for energy storage systems with proper efficiency, thermal protection, safety certifications, and OEM customization.