0.8 power factor - increases the capacity of the unit without migrating to larger models -0.88 power factor for 2000VA and 0.853 power factor for 3000VA-. Load shedding - extends the time of critical applications without adding external battery packs by removing power to non-essential devices connected to the same UPS Independent Battery Bypass - allows the UPS to provide voltage regulation with surge and spike protection on the utility AC power even when batteries are weak or dead. Virtually unlimited extended runtime for critical applications - virtually an unlimited number of battery packs can be connected to the EnterprisePlus UPS for extending run times Flexibility in installation - floor-standing tower and 19-inch rackmount hardware is included. Optional installation kits are available for 23-inch racks/cabinet and wallmount installation. Small form factor - 3.5-inch -2U- rack/tower case style Independent battery pack chargers - reduces battery recharge times Simultaneous DB-9, USB and SNMP communications Minuteman SentryPlus UPS monitoring and control software included Easy to read front panel display - with load/battery meter Industry high product protection - with 3-year non-prorated warranty -including batteries- Dedicated remote Emergency Power Off -EPO- port RoHS compliant Protects your your investment - connected equipment is covered with 100,000 dollars Minuteman Platinum Protection Plan -U.S. and Canada only- ALERT: This UPS model has a L6-30P input plug that requires a locking 250V/30Amp wall receptacle.