Over 10 million currently installed - the one you can trust APC Smart-UPS® protects critical data by supplying reliable, network-grade power in either traditional tower or rack-optimized form factors. Award-winning Smart-UPS® is the perfect UPS for protecting business critical servers, voice and data networks, point of sale, retail/bank back office and ATM's. High real power output (watts), generous runtime, sine wave output, 16-segment LED visual display, and intelligent battery management make Smart-UPS the leading server class UPS. Included PowerChute® management software provides IT administrators the comfort of safe system shutdown and advanced UPS management. Additional manageability is available through the SmartSlot, an internal accessory slot that allows installation of optional accessories to enhance the performance of your UPS. Designed and manufactured by APC and fully backed with free 24x7 technical support, Smart-UPS remains the industry standard for all network UPSs. With over 10 million units installed worldwide and over 15 years of proven performance, Smart-UPS is a UPS businesses trust for their critical applications. Features: Automatic Self Test, Automatic Voltage Regulation (AVR), Built-in SmartSlot, Hot Swap Batteries, Intelligent Battery Management, Line-interactive, Load Meter, Network-grade line conditioning, Overload Indicator, Replace Batt Indicator, Sine-wave output, Software, Status Indicator LED's, USB Connectivity, User Replaceable batteries, Wide input voltage range