Uninterrupted power supply calculator.

System (AC power line) Voltage = volts (all devices)
Device Power Load in Watts or Amps
Computer Load = watts amps
Monitor Load = watts amps
Any external modem = watts amps
Any external powered hub = watts amps
Any external router or switch = watts amps
Any external powered speakers = watts amps
Any external powered USB device = watts amps
Any external powered drive = watts amps
Any external powered camera = watts amps
Any external powered other device = watts amps
Minimum UPS Capability = VoltAmps
Suggested UPS Capability = VoltAmps

Tuluy-tuloy na power supply formula

Minimum UPS Capability = System (AC) boltahe × (karagdagan ng lahat ng mga halaga ng amps ng aparato) + 1.4 × (karagdagan ng lahat ng halaga ng watts watts)

Uninterrupted power supply calculator.
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