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About product and suppliers:
        Alibaba.com offers 2,392 12v 3v adapter products. About 51% of these are ac/dc adapters, 14% are adapters, and 2% are laptop adapter. 

A wide variety of 12v 3v adapter options are available to you, such as plug in, desktop. You can also choose from dc, ac, and single. As well as from mobile phone, switching, and laptop. And whether 12v 3v adapter is camera, or tablet. 

There are 2,392 12v 3v adapter suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 12v 3v adapter respectively. 

2v 3v adapter products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 513 with ISO9001, 134 with Other, and 31 with BSCI certification.