. Patent-pending operating mode that by passes unused electrical components in good power conditions to achieve very high operating efficiency without sacrificing any protection. Reduces or eliminates bulky transformers resulting in lighter units for ease of handling Key Product Info. High online efficiency Green mode High frequency design Energy meter Predictive replace battery date Intuitive LCD interface Auto recognition of external batteries Multiple switched outlet groups Pure sine wave output on battery Scalable runtime Cold-start capable Plug-&-Play external batteries Rack/ Tower convertible Smart Slot Temperature-compensated battery charging Product Features EPOAttach the device to an Emergency Power Off (EPO) system so that power can be turned off in an emergency situation. High online efficiency Reduces utlility costs generates less heat. 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. High frequency design Reduces or eliminates bulky transformers resulting in lighter units for ease of handling. Energy meter Provides actual kilowatt hours of usage for energy conscious users. Predictive replace battery date Dynamically provides the month & year when battery replacement is recommended to aide in long term maintenance planning. Intuitive LCD interface Provides clear & accurate information in multiple languages with the ability to configure the UPS locally with easy to use navigation keys. What's in the box?. CD with software Documentation CDInstallation guide Rack Mounting support rails Removable support feet Smart UPS signalling RS-232 cable USB cable