Uninterruptible power supply effective power 1 980 w apparent power 2 200 va outputs 8 x iec 320 c13 1 x iec 320 c19 3 x iec jumpers inputs 1 x bs1363a british 1 x iec 320 c20 1 x schuko interfaces usb rs 232 nominal voltage 230 v bridging time 54 min bridging time at minimum load 932 minutes voltage waveform sine wave frequency range 47 63 hz yield in 984 input voltage 160 286 output voltage 230 v battery technology lead acid numbe