SMT1000i APC Smart-UPS 1000VA Cold-start capable Provides temporary battery power when the utility power is out. Energy meter Provides actual kilowatt hours of usage for energy conscious users. Green mode Patent-pending operating mode that bypasses unused electrical components in good power conditions to achieve very high operating efficiency without sacrificing any protection. Reduces utility costs, generates less heat. 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. Pure sine wave output on battery Simulates utility power to provide the highest degree of compatibility.