[kaibob]

I was curious and looked in the Kindle Paperwhite User's Guide, which states:

"When your Kindle is charging, a lightning bolt appears on the battery icon at the top of the Home screen. The indicator light on the bottom edge will turn amber while the battery is charging and green when it is fully charged. Charging should take less than four hours using a Kindle AC adapter. Charging using 3rd party adapters or via USB should take less than four hours, but may take longer depending on the capability of the hardware."

The User's Guide does distinguish between restarting and resetting a Paperwhite. On the latter, the User Guide states:

"Resets your Kindle to its original settings and restarts it. You should select this action only if instructed to do so by Kindle Customer Service. Before you reset your Kindle to its defaults, you must back up any personal documents that you'd like to keep. Once your Kindle restarts, you will need to register and download your items from the Cloud. If you want to passcode-protect your Kindle, you must also set up a passcode again."

I have restarted my PW3 on a few occasions, when it did not work properly, but have never reset the PW3.