The Unomat UPS has a full range input voltage, short transfer time, intelligent battery management, over-voltage and under-voltage protection, and automatic low battery voltage shutdown. All in all, Unomat UPS never leaves you without power and protection. Buy Unomat 650VA, 850VA, 1000VA, 1500VA, 2KVA and 3KVA line interactive Unomat UPS. We have same day and next day delivery options.