apc smart-ups 3000va 2700w - usb and serial 230v technical specifications output power capacity -3000va output power capacity -2700watts nominal input voltage -230v v output connections - 8 x iec 320 c13, 1 x iec 320 c19, 3 x iec jumpers replacement battery cartridge -rbc55 typical backup time and half load - 13.6minutes (1350 watts) typical backup time at full load - 5.5minutes (2700 watts) interface port -db-9 rs-232 , smartslot , usb