Adapter Step Down
It will be a 30 watt power adapter (220 -> 110 V) work with an adapter input 120V and 0.6 A?
I brought a iH9 iHome alarm clock radio in the U.S. China. Electricity is 220 volts here, but the power adapter that came with the iHome is horrible and only supports 120V. So I have to get an adapter to step down from 220V to 110V. Adapters that are commonly sold in stores here say that having a 220-240V input and output 110-120V, 30W. IHome adapter says its input is 120V and 0.6A. And the output is 12V 1800mA. So by the equation P = IV, is it right that need an adapter that supports 120 V * 0.6 A = 72 watts? (For example, my 30-watt adapter will not work). Or would be 12 V * 1.800 A = 21.6 Watts? (For example, my adapter 30 watt would be fine.)
I would say you should use the figure input, 72 watts, which means you need a larger drive, might be worthwhile to measure the actual flow with a meter.
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D00530-37 30mm Step Down Filter Ring Adapter
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