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How Many Watts of Electricity does a HP Laptop running Vista Use?

HP Laptop running Vista: 47 Watts (0.047 Kilowatts)


Item: HP Laptop running Vista: 47 Watts
Description: A laptop is a small-sized computer that lets you look at this webpage. They are engineered to be lightweight and to run on battery power, so they don't typically use as much energy as a desktop computer. When they are unplugged, they use battery power. When they are plugged in, they charge the battery. When they are plugged in and the battery is completely charged, they only use as much electricity as is needed to run the computer. This was an HP Compaq 6910p
Power: This laptop used 47 watts when its battery was fully charged. If the battery was low, and the laptop was plugged in, it would draw 99 watts, 52 watts of which was presumably for charging the battery. When the laptop was off, but charging, the laptop consumes 57 watts.

Power Cost: 
at 12 per kw/h
Cost per Minute: 1 hundredths of one cent (0.01)
Cost per Hour: 56 hundredths of one cent (1)
per Day (8 hrs): 5
per Month (5hrs/day): 86

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Power use for these items was actually tested. Wattage will vary, but these are the actual measurements.
Rate of 12 per kilowatt hour is typical, but may not represent your electrical rate. Check your bill.