FeaturesOutput power capacity: 390 Watts / 650VAOutput connections: (6) IEC 60320 C13 (battery backup)Nominal output voltage: 230VNominal input voltage: 230VInput connections: IEC 60320 C14The APC 650VA 230V AVR LCD Back-UPS Pro with 6 IEC Outlets provide battery backup and surge protection, ideal for your home, home office or small business. The new Back-UPS Pro models are equipped with premium features including increased runtime and power capability for your critical electronics.Periodic battery self-test ensures early detection of a battery that needs to be replaced.Automatically steps up low voltage and steps down high voltage to levels that are suitable for your equipment.Provides early-warning fault analysis on batteries enabling timely preventive maintenance.Enables fast battery replacement, lowering Mean Time to Repair (MTTR).Reserves power capacity and run time for connected equipment that requires UPS battery back-up while providing surge only protection for less critical equipment.Gives higher application availability by correcting low and high voltage conditions without using the battery (not available on all models).