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About product and suppliers:
        Alibaba.com offers 10,341 3.7v li-ion polymer battery products. About 92% of these are rechargeable batteries, 9% are battery packs. 

A wide variety of 3.7v li-ion polymer battery options are available to you, such as prismatic, pouch, and d. You can also choose from free samples, paid samples. 

There are 10,351 3.7v li-ion polymer battery suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Singapore, which supply 99%, 1%, and 1% of 3.7v li-ion polymer battery respectively. 

.7v li-ion polymer battery products are most popular in North America, Western Europe, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 2,897 with ISO9001, 916 with Other, and 305 with ISO14001 certification.