The Fenix ARB-L18-2600U 18650 Battery has a built in micro USB port making it ready to charge easily. NOTE: USB cable is sold separately. This item is priced and packaged as one battery. 

Shipping Note: Lithium ion batteries cannot be shipped via expedited shipping service due to shipping carrier restrictions. Orders that include lithium ion batteries that aren't included in lights they are meant to power will be shipped via UPS or USPS ground service.