Tripp Lite SmartPro XL Series SM1500XLNAFTA 1500VA Tower ...

Automatic Voltage Regulation (AVR) circuits with two boost and one voltage reduction level maintains usable 120V nominal output over an input voltage range of 75-147V Notification of system status via 5 LEDs and multi-function audible alarmsAttractive small footprint black tower housing uses less than 66 square inches Built-in rear-exit cooling fan runs as needed to maintain optimal internal temperatures during extended run battery operation UPS battery set ships fully assembled and ready for installation, no time consuming connection of internal batteries by user is necessary Cold start capability enables UPS turn-on in battery mode during blackout conditions