I miss the gameboy. My old Gameboy Color got something like 35 hours on a couple of AAs.[1]

I kept that thing around for a long time, because it was great for flights and road trips.

Nowadays I stick to podcasts (an iPhone can run a long time with wifi off just playing audio) but I wish more manufacturers would focus on battery life instead of folding up phones like a wallet.

[1] going by this source I dug up since memory is fuzzy: https://www.nintendolife.com/news/2012/09/ever_wondered_how_...