Chicago Digital Power Long Term Industrial Line Interactive UPS is the most versatile long life inverter and UPS combination ever created. When AC is present, the ES-AVR corrects the blackout with its internal voltage regulator and the powerful battery keeps the battery ready for a blackout. When a power failure is detected, the ES-AVR draws power from the batteries and provides a pure sine wave to connected devices.
The most ideal way to power alarm systems, POS, surveillance systems, cameras, POE routers, and computers for days if needed after a power outage. The compact power design can also operate tools, garage door openers, water pumps with charged batteries. With two 3-amp USB charging ports and an LCD display that provide information on battery voltage and frequency levels.