new to droid. got a note 3 a few weeks ago and it has been great. overnight my phone charge dropped to 17% which is much much faster than normal. checked the battery for rogue app use and found "mm-qcamera-daemon" as using over 85% of battery. did a web search which associated it with a yahoo app. i haven't installed that app. all apps i HAVE installed are from google play store. powered down and then turned it back on and the same drain source came up again.
It is related to camera. Check your camera setting. Had that once. Camera was stuck or something like that.