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About product and suppliers:
        Alibaba.com offers 8,284 backup charger products. About 67% of these are power banks, 8% are charger, and 1% are mp3 / mp4 player charger. 

A wide variety of backup charger options are available to you, such as black, beige. You can also choose from 3000-4000(mah), 15001-20000(mah), and 9001-10000(mah). As well as from free samples, paid samples. 

There are 8,284 backup charger suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of backup charger respectively. 

Backup charger products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 2,049 with ISO9001, 1,682 with Other, and 233 with ISO14001 certification.