Uninterruptible power supply effective power 750 w apparent power 1 250 va outputs 4 x iec 320 c13 interfaces rj 11 usb rs 232 nominal voltage 230 v bridging time 3 min output voltage 12 v battery capacity 14 000 mah protective measures power failure protection operating temperature 0 40 c permitted humidity when in use 20 90 display led