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About product and suppliers:
        Alibaba.com offers 155,667 12v power supply products. About 40% of these are switching power supply, 15% are ac/dc adapters, and 1% are uninterrupted power supply (ups). 

A wide variety of 12v power supply options are available to you, such as ac, dual, and dc. You can also choose from 51 - 100w, 201 - 300w, and 101 - 200w. As well as from 110v, 220v, and 380v. And whether 12v power supply is plug in, or desktop. 

There are 155,198 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 42,078 with ISO9001, 14,032 with Other, and 6,136 with ISO14001 certification.