7.4V 18650 lithium ion battery pack is composed of 2 standard 3.7v 18650 lithium batteries connected in series. As a professional 7.4V 18650 lithium ion battery pack manufacturer in china, we can provide one-stop customized battery pack service including:
Browse the standard 7.4V 18650 lithium ion battery pack in stock and contact us to get wholesale price!
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