Probably normal. See the battery reporting FAQ (this is a clickable link)
Last, is there a place where here I can strictly search for device handlers so I’m not scrolling through general topics in hopes of finding handlers?
See the quick browse lists in the community – created wiki. They are for exactly this purpose.
Look in the second section on the page, which is device type handlers, and then down at the bottom of that section you will find a list of sensor DTH’s. It can definitely save you a lot of time.
