= Dell XPS 13 9380 = == Battery drain when sleeping == The laptop uses the S2 sleep mode by default instead of S3, which leads to draining a lot of battery during sleep. See https://wiki.archlinux.org/index.php/Dell_XPS_13_(9370)#Power_Management and https://bugzilla.kernel.org/show_bug.cgi?id=199689#c3 for reference