... . Offline smart UPS 800VA/480W2. AVR CPU function3. Input Voltage: 145-280VAC4. Output Voltage: ±10%(battery mode)5. ... 150-290VACFrequency (Hz)50Hz or 60HzOutputAC volt Regulation±10%(battery mode) 195v-245v(utility power mode)StabilivoltYesYesYesYesYesBatteryType12V4AH×1pcs12V7AH× ... More Options:OEM UPS battery also offered. 4ah, 7ah, 12ah, 17ah, 24ah, 33ah, 38ah, 55ah, 65ah, 80ah, 100ah, 120ah, 150ah, ...