New Switch 2 revision is out with a considerably larger battery (5200 mAh to 8000 mAh) and much easier repairability to meet the EU requirements.
View: https://youtu.be/UBMMBdMDiuY?is=6onbHgu5xMqbbtR5
Not really worth trading for still unless there's also a considerable display upgrade. Otherwise I'm good until the inevitable OLED model comes in another year or two.
It doesn't come with a larger battery. There are aftermarket replacements already avaliable.