Offline ups effective power 400 w apparent power 650 va outputs 4 x iec 320 c13 interfaces usb rs 232 nominal voltage 230 v bridging time 24 min output voltage 230 v battery technology lead acid battery charging time 8 h protective measures power failure protection operating temperature 0 40 c permitted humidity when in use 5 95 case tower display led colour beige dimensions hxwxd 9 1 x 28 4 x 16 5 cm weight 6 kg