Rated Power: 1000VA / 600W. Input/Output Voltage: 230V. Supports external batteries for long autonomy periods. UPS Type: Line interactive. Wave Type: Stepped approximation to a sinewave. Efficiency: 92% at full load. Transfer Time: 8~12ms. Battery Voltage: 12V. Battery Charger Rated Power: 288W. Dimensions: 39.5 x 22 x 14.5 cm. Net Weight: 10.8 Kg.