APC SMT1500R2X180 UPS, Rack-Mountable, Black Intuitive LCD interface - provides clear and accurate information in multiple languages with the ability to configure the UPS locally with easy to use navigation keys Predictive replace battery date - dynamically provides the month and year when battery replacement is recommended to aide in long term maintenance planning Energy meter - provides actual kilowatt hours of usage for energy conscious users Pure sine wave output on battery - simulates utility power to provide the highest degree of compatibility for active PFC servers and sensitive electronics Single switched outlet group - single outlet group that may be controlled separately from the UPS for discrete reboot of hung devices, sequenced on/off and non-critical load shedding