Backup battery increases safety class from 1 to 3

Main features
Automatic charging and capacity monitoring
Capable of supplying magnets, display & control elements after mains failure
Maintenenace-free, temperature & shock-resistant quality batteries
Glass fibre laminate (GFRP) weather & acid resistant box
Ventilation slits allow evacuation of battery fumes
Optional heating function for cold climates
Steel mounting frame simplifies installation