Interface Port(s): DB-9 RS-232, Smart Slot, USB Input Connections: IEC-320-C14 Output Connections: (6) IEC 320 C13 (2) IEC Jumpers Maintenance-free sealed Lead-Acid battery with suspended electrolyte: leakproof. 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 Infrastructure Central compatible: Enables centralized management via APC Infrastructure Central