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  1. #1

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    How much power does a digital radio use?

    An analogue radio of comparable size takes 4 AA batteries to power; a digital one, 6 large batteries which don't last that long. Does this mean that using mains electricity for digital is correspondingly a lot more expensive?
    Lifecell Wrinkle Cream

  2. #2

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    On each radio it should say on the back how many watts power they are, the higher the watts, the more power they use.

  3. #3

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    My digital radio runs off 6Watts if it helps?

  4. #4

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    6 Watts isn't a lot.
    Unless it is 6 Watts at 6V (which is 1 Amp)
    6 Watts at 9Volts is still .67 Amps.
    ..
    Note: 4 ea. "AA" cells, "A" Cells, "C" Cells or "D" Cells is 6 Volts.
    Each Cell is 1.5 volts (multiply them by the number of cells (if they are in series). If they are in parallel, then the voltage remains the same (but, 6 Watts will require about 8 cells if they are "C" cells - assuming the 6 Watts is based upon the 1.5 Volts - which requires 4 Amps of power to attain 6 watts). C cell Carbon Zinc batteries hold about 3,800 MA hr each - which is 3.8Amps hr - meaning they will power a 6-watt radio for about 15 minutes (you would need 4 in parallel to effectively have 1 hours power).

    ..
    Dave
    Phoenix, AZ
    Last edited by MarcAlle; 12-31-2012 at 02:02 PM.

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