TRUE AVR (Automatic Voltage Regulation) Wide Input Voltage Range Load Auto Sensing and Abnormal Protection Fast Charging Backup Time: 8-30 minutes depending on load Recharge Time: 2 4 hours recover to 90% capacity Capacity 850VA Input Voltage Range 140 - 300V 5% Frequency 50Hz/60Hz (Auto-sensing) Phase Single + GND Output Voltage Range 230VAC +12% -14% Battery Mode 230VAC 10% Frequency 50Hz 1% (Battery Mode) Waveform - Simulated Sine Wave (Battery Mode) - Sine Wave (AC Mode) Transfer Time 2 - 6ms typical Battery Type 12V/10AH - 1pc Backup Time 8 - 30 minutes depending on load Recharge Time 2 - 4 hours recover to 90% capacity Protection / Monitoring Short Circuit Protection Yes ( Mode and Battery Mode) Surge Protection Yes