A method may include: applying a first voltage on at least one first terminal of a first direct current (DC) bus electrically connected to a power source, obtaining at least one indication that discharge of a second voltage related to the first voltage sho...

A multiplicity of uninterruptible power supply (UPS) devices may be equipped with a plurality of sensors which report on the state of various operational parameters of the UPS devices to a registry device. Output of the registry device may be displayed on ...