Easy UPS On-LineHigh quality, Double-conversion On-line UPS designed for essential power protection needs even in the most unstable power conditions For small to medium businesses, APC by Schneider Electric delivers a new category of UPSs designed for essential power protection needs even in the most unstable power conditions. APC Easy UPS 1 Ph Online is a versatile, high quality, cost competitive UPS developed to handle a wide voltage range, inconsistent power conditions and delivering the quality millions of IT professionals trust around the world.