Line Interactive Power Capacity: 1500VA Input: 230V Waveform: Simulated sine wave Battery Type: 12V/ 7AH x 2 Transfer Time: Typical 2-6 ms, 10ms max Warranty: 2 years / 1 year battery Compact size Excellent microprocessor control guarantees high reliability Boost and buck AVR for voltage stabilization Auto restart while AC is recovering Simulated sine wave Off-mode charging Cold start function