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Re:ArtFrame: E-paper wireless artwork for your living room by pastrami_panda on Monday March 28, 2022 @12:55PM (#30832626)
Sounds like a good idea.

Just anecdotally I found it pretty fascinating that I bought a new Kindle some three months ago and it still hasn't run out of batteries (came with 76% and now at 16%).

Admittedly I haven't been using it a lot though.

Re:ArtFrame: E-paper wireless artwork for your living room by blacksmith_tb on Monday March 28, 2022 @02:50PM (#30834109)
My experience with Kindles is that the battery drain is all about wifi - if you keep it in 'airplane mode' most of the time (except to send new content to it / return library books early etc.) it can last for months on a charge.