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About product and suppliers:
        Alibaba.com offers 178,952 12v power supply products. About 29% of these are switching power supply, 4% are power banks, and 1% are pc power supplies. 

A wide variety of 12v power supply options are available to you, such as dc, single. You can also choose from free samples, paid samples. 

There are 178,576 12v 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 power supply respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 40,743 with ISO9001, 14,651 with Other, and 5,187 with ISO14001 certification.