The APC Back-UPS 350 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 350 provides over 4 minutes of battery backup for loads of up to 210 watts. A hot-swappable, user-replaceable battery system makes servicing the Back-UPS 350 hassle-free, and the unit delivers battery powered AC. APC offers guaranteed protection from surges and spikes with their lifetime, $100,000 Equipment Protection Policy.