The Professional Rackmount Smart App Sinewave Series is designed for corporate networks and telecommunication equipment that require high-performance True Sinewave technology. Its unique design allows it to either be tower or rack (2U) mountable. The PR1500 can support mission-critical equipment and applications, and also has Full AVR Buck/Boost technology that stabilizes AC energy to prevent power interruptions. The 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 PR1500 comes with 4 (four) 12V/7Ah batteries, which are maintenance-free and user-replaceable. 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 PCs or servers.