Kindle Paperwhite 11th gen screen shows battery with one bar
A look inside a Signature Edition Paperwhite. The battery appears easy to replace and the back case was easy to remove with no damage to the Kindle using a plastic prybar. :
Amazon.com: Amazon Kindle Paperwhite (16 GB) – Now with a larger display, adjustable warm light, increased battery life, and faster page turns – Agave Green : Electronics
Amazon.com: Amazon Kindle Paperwhite (16 GB) – Now with a larger display, adjustable warm light, increased battery life, and faster page turns – Denim : Electronics