... CPU function3. Input Voltage: 145-280VAC4. Output Voltage: ±10%(battery mode)5. Backup Time: 5-15mins6. Frequency: 50Hz ... 150-290VACFrequency (Hz)50Hz or 60HzOutputAC volt Regulation±10%(battery mode) 195v-245v(utility power mode)StabilivoltYesYesYesYesYesBatteryType12V4AH×1pcs12V7AH ... )Operating Temperature0°Cto 40°CPacking:More Options:OEM UPS battery also offered. 4ah, 7ah, 12ah, 17ah, 24ah ...