DC, or direct current, such as from a battery or a DC generator.
UPS = Uninterruptible Power Supply
Uninterruptible Power Supply
You can't "calculate" it...
Uninterruptible Power Supply
An (UPS) Uninterruptible power supply
uninterruptible power supply
UPS (uninterruptible power supply)
It is strictly not recommended to create a self-build uninterruptible power supply since they can be hazardous if not built correctly. It is best to buy them in specific electronic shops, or even online from shops like Amazon.
Uninterruptible supply
the ups was invented by the great american christopher latthem
ALU - Arthamatica and logical unit ups -uninterruptible power supply
D. Done has written: 'The selection and operation of uninterruptible power supplies'