Glossary:Power Supply
A PSU or Power Supply Unit is that part of a piece of equipment which takes the raw input power, for example from a battery or from the mains, conditions it, and delivers it at the voltage(s) the equipment needs internally.
A PSU or Power Supply Unit is that part of a piece of equipment which takes the raw input power, for example from a battery or from the mains, conditions it, and delivers it at the voltage(s) the equipment needs internally.