Which end of the cable do I plug into the charger? October 03, 2018 10:10 Updated Follow The USB tip goes into the charger slot, and the micro USB tip goes into your device. Related articles How long is the cable? Can this charger be used on a 220volt outlet? Can I use this same data/charge cable for transferring photos and other data from my Motorola phone to a computer? Is there a USB cable included?