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About product and suppliers:
        28,384 china usb portable bank products are offered for sale by suppliers on Alibaba.com, of which power banks accounts for 78%, fans accounts for 1%. 

A wide variety of china usb portable bank options are available to you, such as 15001-20000(mah), 10001-15000(mah), and 3000-4000(mah). You can also choose from usb/dc, dc, and apple interface china usb portable bank, as well as from usb, micro usb, and ac china usb portable bank, and whether china usb portable bank is ultra slim, fast charging, or with cable. 

There are 27,583 suppliers who sells china usb portable bank 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 china usb portable bank supply is 1%, 99%, and 1% respectively.