I hate to break it to you, but battery life will be at the bottom of the list of Nintendo's concerns when giving you backwards compatibility. If Yuzu was able

I hate to break it to you, but battery life will be at the bottom of the list of Nintendo's concerns when giving you backwards compatibility. If Yuzu was able to get 2.5-3 hours of battery life on the Steam Deck (which isn't that far off from what it gets playing a lot of "native" games) essentially flying blind, Nintendo should be able to do at least that.