Hi there!
Unfortunately we can't do a teardown of every device ;) If you'd like to [https://www.ifixit.com/Teardown/new|make one yourself], that would be awesome! We also accept [https://docs.google.com/forms/d/1pqwBB36VwLMF_vUZb36yPvm0uqGc-e44wvYUsqVWguY/viewform|device donations] for our [http://edu.ifixit.com/prospective-universities|education program], which generates tons of guides every year =)
That said, I'm going to guess that it's quite similar to the [https://www.ifixit.com/Device/Amazon_Kindle_Oasis_%288th_Gen%29|first generation Oasis|new_window=true] which had a [https://www.ifixit.com/Guide/Amazon+Kindle+Oasis+8th+Gen+Battery+Replacement/99289|technically replaceable battery|new_window=true], but it's not very fun.
