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About product and suppliers:
        Alibaba.com offers 19,364 adjustable power supply products. About 35% of these are switching power supply, 2% are power banks, and 2% are ac/dc adapters. 

A wide variety of adjustable power supply options are available to you, such as 1 - 50w, 101 - 200w, and 201 - 300w. You can also choose from single, dual, and multiple. As well as from 220v, 110v, and 380v. And whether adjustable power supply is pipe production line, or headlamps. 

There are 19,437 adjustable power supply suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Philippines, which supply 99%, 1%, and 1% of adjustable power supply respectively. 

Adjustable power supply products are most popular in North America, Western Europe, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 5,778 with ISO9001, 2,351 with Other, and 1,029 with ISO14001 certification.