About product and suppliers:
            2,580 5v 3a usb charger adapter products are offered for sale by suppliers on Alibaba.com, of which charger accounts for 77%, power adapters accounts for 8%, and mp3 / mp4 player charger accounts for 3%. 

A wide variety of 5v 3a usb charger adapter options are available to you, 

There are 2,544 suppliers who sells 5v 3a usb charger adapter on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, from which the percentage of 5v 3a usb charger adapter supply is 99%, 1% respectively.