What is a UPS power supply? -What is UPS and how does it work? -latest-YouTube-new
What is a UPS power supply? -What is UPS and how does it work? -latest-YouTube-new
Uninterruptible Power Supply (UPS)
For any UPS, incoming utility power is alternating current (AC), which is also required by most information technology equipment (ITE). On the other hand, batteries are direct current (DC) devices, so all battery-type UPS es must convert -- or rectify -- the incoming AC power to DC to charge the batteries.