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About product and suppliers:
            2,344 backup power battery products are offered for sale by suppliers on Alibaba.com, of which power banks accounts for 26%, lithium ion batteries accounts for 10%, and switching power supply accounts for 4%. 

A wide variety of backup power battery options are available to you, such as usb/micro usb, double usb, and usb/dc. You can also choose from micro usb, ac, and dc backup power battery, as well as from toys, home appliances, and golf carts backup power battery, and whether backup power battery is ultra slim, portable, or fast charging. 

There are 2,337 suppliers who sells backup power battery on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, and Hong Kong S.A.R., from which the percentage of backup power battery supply is 99%, 1%, and 1% respectively.