Green mode bypasses unused electrical components in good power conditions to achieve very high operating efficiency without sacrificing any protection. LCD status display provides key UPS status at a glance. Multiple status indicators with load and battery bar graphs. Pure sine wave output on battery simulates utility power to provide the high degree of compatibility for active PFC (power factor corrected) servers and sensitive electronics. Temperature-compensated battery charging prolongs battery life by regulating the charge voltage according to battery temperature.