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About product and suppliers:
        Alibaba.com offers 3,978 5v 0.5a power adapter products. About 7% of these are adapters, 2% are switching power supply, and 1% are mobile phone adapters. 

A wide variety of 5v 0.5a power adapter options are available to you, such as dc, ac. You can also choose from plug in, desktop. As well as from mobile phone, laptop. And whether 5v 0.5a power adapter is free samples, or paid samples. 

There are 3,894 5v 0.5a power adapter suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Poland, which supply 98%, 1%, and 1% of 5v 0.5a power adapter respectively. 

v 0.5a power adapter products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 937 with ISO9001, 224 with Other, and 31 with ISO14001 certification.