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Home Forums General Discussion Off-grid stereo what to do? Re: Off-grid stereo what to do?

Nick Rosen

Do you know the wattage output of the car stereo? (total) It may have 4 channels with a stated wattage. Add them all together, divide by 2, divide by your working voltage. (12 volts) This will give you the maximum amount of current the unit uses.

If you read the post(s) that I made at Homesteading Today, you will find some details that will help.