This item is provided by Crutchfield.com and includes free phone technical support for the life of the product. Details on how to take advantage of this service will be included with your package. Should you have any issues locating information on how to contact Crutchfield Technical Support, please contact this website's Customer Service department. The quick-release battery Ring includes with their Spotlight Cam Battery , Stick Up Cam Battery , Video Doorbell 2 , and Video Doorbell 3 takes 5-10 hours to fully charge when it's drained. Why not pick up an extra so you don't lose coverage during that time? What's in the Box: 1. Ring Quick-release battery (3.65V 6040mAh 22.046Wh) 2. 21" USB cable (Type A USB on one end and Micro-B USB on other end) 3. LED guide