http://www.e-bicyclebattery.comExport DepartmentVivian HoPhone: +86 - 23713591 - /+86 - 15905827692Fax: +86 - 23713591 -
Shenzhen, GuangdongChina, 518103Web Page Link: https://www.toboc.com/annpowertechnologycoltd.aspx
18650 Cell Unlimited Expandable Battery Holder 3PThrough using these battery holder, you can assembly any type battery pack.
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