Medical Power

Turning Ideas into Products and Problems into Solutions





Telecom, Server and EV Power

Efficiency Isn’t Just for Power Conversion

High Power Design Expertise from 950 to 3,000 Watts

Our Business Runs on Standards

Methodical and Harmonized Manufacturing Processes

ISO 9001 • ISO 13485 • ISO 14001 • ISO 16949

Complete Assembly Services

Global, Scalable, Consistent

Leverage Our Advanced Technology, Manufacturing Infrastructure and International Supply Chain

Battery Power
Power Supplies
Solar Power
EV Power

Power Supply Experts

Phasium offers technically superior power products at industry-leading prices. Our wide product range includes internal and external medical power supplies, high power telecom and server rectifiers, motor drivers, battery packs and chargers. Phasium is the premium brand of Megmeet, a leading supplier of power converters for smart home appliances and a rapidly growing leader in the global medical power supply market. We offer some of the most looked-for, price-competitive medical converters available today. Phasium’s product lines includes standard medical-grade power supplies, open frame and external power adapters, as well as full custom-designed solutions. Megmeet’s new 22-acre design and manufacturing campus allows Phasium to offer one of the highest levels of service in the field of energy-efficient, reliable power products. Our facilities are ISO 13485, ISO 9001 and ISO 14001 certified.


Phasium by Megmeet



Class III Device Reliability, Competitive Pricing

A tour of the Phasium factory is a Quality Engineer’s dream. From IQC to pick and place, through wave solder, test and burn-in, strict adherence to process controls and MES QC tracking ensure reliable results every time.


Consumer/Smart Appliances

Price, Quality, Delivery

Quality design is a given. Low component costs, efficient manufacturing, and responsive delivery make Phasium a successful supplier for high-volume consumer products.



Innovative, Rugged, Reliable

Phasium’s standard and custom Commercial and Industrial designs utilize the latest in PFC + LLC switching technology for super high efficiency and low EMI. The Phasium design team pushes the envelope for size and power density while meeting all the latest safety and compliance standards.

IT Server and Telecom Power Supplies

Telecom/Server Power Supplies

High Power – High Efficiency

Platinum-level efficiency, parallel current sharing, hot swappable, fully protected and equipped with I2C or PMBus communications, Phasium’s high-power, low-cost server and telecom supplies are a cost-effective, reliable way to power your IT and Telecom Infrastructure.

Electric Vehicle Fast Charging

Electric Vehicle & DC Fast Charging

On-Board Chargers and Motor Drives and DCFC Rectifiers

Only Phasium offers both developed platform products and the engineering bandwidth to make them work for your powertrain or EV DCFC charging system. Rugged fan- and liquid-cooled designs for on-board chargers, converters and motor drives. and a complete line of cost competitive AC/DC CAN-equipped charger modules.

Manufacturing Assembly Services

Manufacturing Assembly Services

Promoting a  Culture  of  Quality

Phasium’s brand  new state  of the  art  facilities  in  Zhuzhou,  Hunan  China (about 2.5 hours from Hong Kong via high speed train) has 108000 m2 (1.16 million Sq feet) of manufacturing space with a capacity to build up to 3.0 million power products per month.

Design Team and Supply Partner that I Trust

“My project team needed to leverage our time and know-how, so we looked for a design/manufacturing partner who could take our concepts and detailed requirements and turn them into a competitive product. We provided the key power IP and design direction that made it “our product” and Vincent and his team filled in the missing sections, stitched it all together and delivered a finished, tested product.”

Dave Nierescher

Product Designer, Entrepreneur

Design, Build and Deliver

Conservative Design Guidelines

All Phasium products feature components selected with significant design margin ensuring a long reliable life in the field.

Broad Offering of Standard Products

Phasium offers a wide variety of standard power supplies including external power adapters and internal open and enclosed configurations. Standard converters are well documented and fully compliant to the latest safety and EMC requirements.

22-Acre Manufacturing Campus

Located in the city of Zhuzhou, Hunan Province, China, Phasium’s state of the art facility includes multiple manufacturing centers, a large automated warehouse, dorms, canteen, emergency center and more.

Fully Implemented MES

Essential for mission-critical applications. Manufacturing Execution System (MES) QC Tracking system provides complete automated traceability of Man Machine, Material, Process and Testing at the individual assembly level.

Industry Leading Design Team

With over 400 engineers including stacks with advanced degrees, Phasium has the electrical, mechanical and software engineering horsepower to custom design your power solution or assist with complicated system level power issues.

Fail is a Four-Letter Word

Whether it is meeting design requirements, expediting delivery dates, cost reduction targets or PPM rates, Phasium is committed to supporting each and every customer program, large or small, and achieving success for each and every stakeholder.


Power Industry Breakthrough: The First Medical-Grade USB-C PD Compliant External Power Supply
Power Industry Breakthrough: The First Medical-Grade USB-C PD Compliant External…

As seen in   San Jose, CA – January 4, 2018 – For the first time, battery-powered medical devices can benefit from the universal ease of use of USB-C PD. By implementing the latest and highest-powered version of USB for battery-powered medical devices, Phasium has launched…

Is USB Type-C PD the “One Ring”?
Is USB Type-C PD the “One Ring”?

Is USB Type-C PD the “One Ring”? “…one plug to rule them all …one plug defines them …one plug replaces all …and with power & data binds them” By admitting that I am a power person, I am proclaiming the height of my brow. If…

Face-to-face Sales in an E-commerce World
Face-to-face Sales in an E-commerce World

Face-to-face Sales in an E-commerce World Is face-to-face selling even relevant anymore? With all the electronic ways to conduct business today, why bother with old-fashion and outdated methods? Folks can just go on the Internet and buy anything. Have a question about a product or…

From Power Supplies to Spy
From Power Supplies to Spy

From Power Supplies to Spy For 19 years, I have worked in the power supply industry.  It is difficult for me to explain the complexity of the technology in a way that non-power people would understand. When friends would ask my wife and family what…

The Definable Distinction Between “Cheap” and “Sub-Standard”
The Definable Distinction Between “Cheap” and “Sub-Standard”

The Definable Distinction Between “Cheap” and “Sub-Standard” Chapter 1 – “That was Scary” I have a wrist watch that I describe this way, “it’s like me – old but mostly functional.” What I don’t mention is that when it’s not working properly, the fault is…

Research & Development
Research & Development

Engineering Capabilities An experienced  skilled  development team  is  fundamental  to  insuring  that  your new project will be successful. Our  Research and Design facility staffs over 300 engineers and is dedicated the continued development of standard and custom power products to support the ongoing needs of…