Backup sources 23-27V

2N AB ALARM ABB ACAR ACO GmbH ACPI Acumen AJAX Alarmguard AMC Elettronica AMIKO Arduino ASITA spol s.r.o. AXATON BCS Beghelli BERICA CAVI BRANDONI BROTHER CABLETECH CEC CEL-TEC CIMCO CNB COMMAX CONTEG CULLPOWER DAHUA DATALOGIC S.P.A. DURACELL Efteria ELKO EP s.r.o Endress Hauser Energizer ERBI systems ESSER EXTOL Famatel - CZ FCC Folksafe Fuzhou GARDENA GINRI Golmar GP Batteries GREENLUX hama HANTEK Hanway International Co.,Ltd HAWLE Armatury HEADSUN HIKVISION JABLOTRON JIS JOB DETECTOMAT KOPOS LAN-TEC Lancomat Laskomex LITES LOXONE MAXIM INTEGRATED PRODUCTS Maximum Security - 1984 Ltd. MEAN-WELL MICROCHIP Miflex MIKROTIK MURR ELEKTRONIK NETGEAR Nextion NOUS OCTO Light logo OPENERS-CLOSERS Optex Panasonic Panduit PARADOX SECURITY Partizan Store EU PLANET TECHNOLOGY PremiumCord PremiumX PULSAR RAMI CZ s.r.o. Raspberry Pi ROLINE ROSSLARE SAFT SATEL SCAME Schalk Schneider Electric SCHRACK SCHWAIGER ScoutGuard SEAGATE SEBURY SENTROL ELECTRONIC SECURITY SIGNAL SOLARIX SOLID Solo detector tester SYSDO TAMRON TEKNIM TELIT TEXECOM TIPA, spol. s r. o. Tork Toshiba TRIAX TUYA UBIQUITI UNICON UR FOG UR FOG URMET V-systém elektro s.r.o. VAR-TEC Western Digital Wilo XtendLan YANL