Uninterruptible power supply effective power 480 w apparent power 950 va outputs 6 x iec 320 c13 inputs 1 x iec 320 c14 interfaces rj 11 rj 45 usb nominal voltage 230 v bridging time 1 min bridging time at minimum load 8 minutes voltage waveform stage wave frequency range 50 60 hz yield in 933 input voltage 150 280 battery technology lead acid number of batteries 1 battery charging time 8 h max current 4 a protective measures data