One cool feature that 6.1 kernel brings to Steam Deck is ability to limit the max charge of the battery straight via kernel by: echo 80 > /sys/class/hwmon/hwmo

One cool feature that 6.1 kernel brings to Steam Deck is ability to limit the max charge of the battery straight via kernel by: echo 80 > /sys/class/hwmon/hwmon4/max_battery_charge_level You need to have the preview installed, or wait until they release it for GA. Preview need developer settings enabled and some other stuff I don't acutely remember. You can check your kernel version with `uname -a`, if it starts with 6, you are good to go.