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About product and suppliers:
        Alibaba.com offers 155,690 power supply 12v products. About 39% of these are switching power supply, 16% are ac/dc adapters, and 5% are power banks. 

A wide variety of power supply 12v options are available to you, such as single, multiple, and dual. You can also choose from 1 - 50w, 101 - 200w, and 301 - 400w. As well as from 220v, 110v, and 380v. And whether power supply 12v is plug in, or desktop. 

There are 155,238 power supply 12v suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of power supply 12v respectively. 

Power supply 12v products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 44,446 with ISO9001, 14,074 with Other, and 6,504 with ISO14001 certification.