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About product and suppliers:
        Alibaba.com offers 84,962 power source products. About 4% of these are ac/dc adapters, 2% are inverters & converters, and 2% are switching power supply. 

A wide variety of power source options are available to you, such as single, triple, and dual. You can also choose from 1 - 50w, 301 - 400w, and 101 - 200w. As well as from 220v, 380v, and 110v. And whether power source is free samples, or paid samples. 

There are 84,423 power source suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 99%, 1%, and 1% of power source respectively. 

Power source products are most popular in North America, Eastern Europe, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 21,906 with ISO9001, 19,699 with Other, and 6,865 with ISO14001 certification.
        
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