The Smart App AVR Series CPS1500AVR UPS model has built-in Automatic Voltage Regulation (AVR) that ensures your connected equipment receives only regulated, consistent power. This model is ideal for corporate servers, departmental servers, as well as mission-critical network components.It also features an innovative form that allows the unit to be used as either a free-standing unit, or to be rack mounted (2U). The unit also has 2 built in serial ports to allow for control of two computers during a power failure.The battery-pack has four (4) 7AH batteries for extended runtime and is hot-swappable to minimize downtime. The CPS1500AVR guards against surges/spikes, and also offers RJ11/RJ45 dataline protection. PowerPanel Plus Smart Power Management software automatically saves and closes open files and shutdowns the PC in an intelligent and orderly manner.