Offline ups effective power 865 w apparent power 1 500 va outputs 2 x iec 320 c13 6 x iec 320 c13 inputs 1 x iec 320 c14 nominal voltage 230 v bridging time 32 min bridging time at minimum load 756 minutes frequency range 47 63 hz input voltage 175 295 output voltage 230 v battery technology lead acid number of batteries 1 battery charging time 8 h protective measures surge protection power failure protection data line protection operating tem