• Sourcing Solutions
  • Services & Membership
  • Help & Community
About product and suppliers:
        Alibaba.com offers 1,425 220v variable dc power supply products. About 70% of these are switching power supply, 6% are industrial power supply, and 3% are voltage regulators/stabilizers. 

A wide variety of 220v variable dc power supply options are available to you, such as 101 - 200w, >500w, and 301 - 400w. You can also choose from single, dc, and triple. As well as from 220v, 110v, and 380v. And whether 220v variable dc power supply is dc/ac inverters, dc/dc converters, or standby. 

There are 1,425 220v variable dc power supply suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and South Korea, which supply 99%, 1%, and 1% of 220v variable dc power supply respectively. 

20v variable dc power supply products are most popular in Western Europe, Mid East, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 514 with ISO9001, 262 with Other, and 76 with ISO14001 certification.