(In reply to Jan-Marten Br���ggemann from comment #42) > After the Test of your custom kernel (comment 18) didn't fix the problem, > I've tried this with Leap 15.5 beta, hoping that there will be a newer > kernel. But sadly it is a 15.4 kernel, too. Nevertheless I tried standby > over night and lost 74% charge. Leap 15.5 kernel is not Leap 15.4 kernel. Please make sure that you've tested with the right kernel. At best, check the latest build from OBS Kernel:SLE15-SP5 repo.