APC Smart-UPS, 750VA/450W, Input 230V/Output 230V, Interface Port DB-9 RS-232, SmartSlot Surge energy rating 320 Joules Output power capacity 750 VA Nominal input voltage 230V Battery type Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof Interface port DB-9 RS-232 , SmartSlot Maximum height 6 inches ( 15.75 cm ) Operating Environment 0 - 40 °C ( 32 - 104 °F ) Approvals C-tick , CE , EN 50091-1 , EN 50091-2 , GOST , PCBC , VDE Total Price 19000 Power conditioning Predictive failure notification Resettable circuit breakers Safety-agency approved Serial Connectivity SmartSlot Temperature-compensated battery charging LED status indicators Network manageable Cold-start capable Generator Compatible Hot-swappable batteries Intelligent Battery Management Automatic self-test Boost and Trim Automatic Voltage Regulation (AVR) Audible Alarms Automatic restart of loads after UPS shutdown Adjustable voltage sensitivity Adjustable voltage-transfer points