The Back-UPS 500 provides professional power protection and battery backup for computer systems. Safe system shutdown and advanced power management capabilities keep systems and data safe via serial or USB connection, and built-in phone/fax/modem (DSL compatible) connections protect systems from surges traveling on data lines. Providing power and protection for up to 6 devices, the Back-UPS 500 yields an average output power capacity of 500 VAC at 300 watts. A hot-swappable, user-replaceable battery system makes servicing the Back-UPS hassle-free, and APC offers guaranteed protection from surges and spikes with their lifetime, $100,000 Equipment Protection Policy.