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About product and suppliers:
        Alibaba.com offers 39 panasonic 4000mah li-ion products. About 58% of these are rechargeable batteries, 17% are battery packs, and 17% are digital battery. 

A wide variety of panasonic 4000mah li-ion options are available to you, such as li-ion, standard battery, and battery pack. 

There are 39 panasonic 4000mah li-ion suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of panasonic 4000mah li-ion respectively. 

Panasonic 4000mah li-ion products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 39 with Other, 27 with ISO9001, and 1 with ISO14001 certification.