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The unit of measurement and SI unit for power, named after James Watt. It is equivalent to energy flow per second or Joules/Second. In electrical terms \$ W = IR = I^2 * R = V^2/R \$

1
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There are a lot of devices, where watts is the output, and voltage and amps is the input. For example my microwave states it is a 900W one, but it says that it draws a max of 6A. This can be …
answered Feb 13 '15 by PlasmaHH
9
votes
Obviously when you already have one in your hands, you can measure its true capacity. However lets for a moment think about where these fake cells might come from: Cheap companies that have little …
answered Mar 1 '16 by PlasmaHH