The APC ES 550 (follow up)

Today my UPS’es made themselves usefull. $ grep apcupsd /var/log/messages Feb 24 13:02:39 soekris apcupsd[1369]: Power failure. Feb 24 13:02:45 soekris apcupsd[1369]: Running on UPS batteries. Feb 24 13:41:27 soekris apcupsd[1369]: Mains returned. No longer on UPS batteries. Feb 24 13:41:27 soekris apcupsd[1369]: Power is back. UPS running on mains. I must say the UPS [...]