Locate your charging cable. This should be easy enough. When you got your Fitbit, it came with ... to a USB charging source. The charger for my Inspire 2 Credit: mashable / tim marcin 2.
So use it as a last resort. 1. Place the Fitbit Charge 2 into its charging cradle, and then connect the USB cable to a power source. 2. Hold down the single button on the side of the Fitbit Charge ...