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About product and suppliers:
150,803 usb port charger products are offered for sale by suppliers on Alibaba.com, of which charger accounts for 44%, power banks accounts for 22%, and car charger accounts for 9%. 

A wide variety of usb port charger options are available to you, 

There are 150,362 suppliers who sells usb port charger on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, and Hong Kong S.A.R., from which the percentage of usb port charger supply is 1%, 99%, and 1% respectively.