So many times I forget to plug the deck or someone uses the charging cable for something else and I come back to play the next weekend and the deck is at 0%. Why doesn’t the deck have a deep sleep or hibernate mode on by default like my laptop or iPad?


Overnight? Sure.
After 12-24 hours? Certainly it’s not good for the battery to sleep all the way to a dead-flat battery. Why not have it drop into a deeper sleep? My Win laptop goes a month and still has battery (just by walking away and letting it sleep) and wakes instantly (daily use) or a few seconds (weekly+ use). Same with my iPad. Even my Sammy tablet will go for 3+ weeks and still have juice.
It just seems weirdly 1998 era to have it so bad at power management.
(Edit- I’m not blaming you, just curious if anyone knows why it isn’t even an option)