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About product and suppliers:
        Alibaba.com offers 90,548 12v dc power supply products. About 33% of these are switching power supply, 27% are ac/dc adapters, and 6% are inverters & converters. 

A wide variety of 12v dc power supply options are available to you, such as dc, single, and dual. You can also choose from 51 - 100w, 101 - 200w, and 301 - 400w. As well as from 110v, 220v, and 380v. And whether 12v dc power supply is free samples, or paid samples. 

There are 90,432 12v dc power supply suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 99%, 1%, and 1% of 12v dc power supply respectively. 

2v dc power supply products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 23,090 with ISO9001, 7,032 with Other, and 2,996 with ISO14001 certification.