You can fully charge your Fitbit Charge 2 in about two hours, and you should be able to use it for a full week without charging it again.
If your Android phone won't charge, the problem could be anything from a broken charger to a software bug to a phone battery ...
One common reason for faulty charging is simply that your phone's charging port is clogged with fluff, dirt and other debris from inside your pocket, and all that compacted rubbish is preventing your ...