Battery failure notification provides early-warning fault analysis on batteries enabling timely preventive maintenance. ECO Mode by-passes unused electrical components in good power conditions to achieve high operating efficiency without sacrificing protection. It protects the initial investment in the UPS when migrating from tower to rack-mount environment. Battery failure notification It provides early-warning fault analysis on batteries enabling timely preventive maintenance. ECO Mode Operating mode by-passes unused electrical components in good power conditions to achieve high operating efficiency without sacrificing protection. Rack/tower convertible It protects the initial investment in the UPS when migrating from tower to rack-mount environment.