The Professional Pure-Sinewave Series is designed for corporate networks and telecommunication equipment that require high-performance True Sinewave technology. The PP1500SWT4 can support mission-critical equipment and applications, and also has Full AVR Buck/Boost technology that stabilizes AC energy to prevent power interruptions. Pure Sinewave series also incorporates microprocessor-based fully digital control, and includes PowerPanel Plus Smart Power Management software which gives the user ultimate control and flexibility of power management options. The PP1500SWT4 comes with 4 (four) 12V/7Ah batteries, and 8 power receptacles (6 x 5-15R, 2 x 5-20R). All your network/DSL/modem connections are protected with a 1796-Joule rating, and the device is fully SNMP/HTTP manageable with the addition of an external card. It also is equipped with 2 serial communications ports that allow for the control of 2 PC's or servers.