What's the wattage? null

Take the listed OUTPUT current (1A, 2A, etc.) and multiply it by the OUTPUT voltage (5V) and you'll get the TOTAL POWER it can supply. IOW, if it provides 2A output current, the total output power is 10 watts (through ONE USB socket). If you plug MORE THAN ONE ITEM into the adapter (up to 4), take the TOTAL output power, divide it by the number of devices plugged in, and that'll give you the MAXIMUM power available for each device. If you still have questions, look up "Ohm's Law" on the internet - you'll get a lot of formulae for use. :)

120 volts X 5.4 amps = 648 watts.

Wattage is simply volts X amps. So 5v X 2 amps is 10 watts. The 2 amps is the stated output, I have not tested to see if it can output 2 amps.

“What's the wattage?”

Asked by Tess 7 years ago

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Take the listed OUTPUT current (1A, 2A, etc.) and multiply it by the OUTPUT voltage (5V) and you'll get the TOTAL POWER it can supply. IOW, if it provides 2A output current, the total output power is 10 watts (through ONE USB socket). If you plug MORE THAN ONE ITEM into the adapter (up to 4), take the TOTAL output power, divide it by the number of devices plugged in, and that'll give you the MAXIMUM power available for each device. If you still have questions, look up "Ohm's Law" on the internet - you'll get a lot of formulae for use. :)
Answered by Promptjock 7 years ago
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120 volts X 5.4 amps = 648 watts.
Answered by zoomtoy 6 years ago
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Wattage is simply volts X amps. So 5v X 2 amps is 10 watts. The 2 amps is the stated output, I have not tested to see if it can output 2 amps.
Answered by bollweevil1976 7 years ago
Sorry, there was a problem. Please try again later.