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About product and suppliers:
        Alibaba.com offers 8,797 backup charger products. About 68% of these are power banks, 7% are charger, and 2% are solar chargers. 

A wide variety of backup charger options are available to you, such as 5001-6000(mah), 9001-10000(mah), and 3000-4000(mah). You can also choose from free samples, paid samples. 

There are 8,797 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 2,151 with ISO9001, 909 with Other, and 299 with ISO14001 certification.