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Can i wire an inverter like this

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  • Can i wire an inverter like this

    i have a 400/800 watt chicago electric dc-ac power inverter i bought used on ebay. i cant find any specs on it or wiring schematics. im gonna put it in my car to run my laptop.
    i have a 400 watt amp running my subs. ive got a 4 ga. wire ran to it which is really overkill. so im wondering if i can get away with wiring the amp and inverter together on that wire...split it with a distribution block...then have 8ga wire going to each one.
    as long as it doesnt pull too much current through the 4ga wire it would work i think. the reason i want to is i dont want to run another wire from the battery. and im just gonna run my laptop on it, not huge loads.

    has anyone ever tried this?

  • #2
    The only way to be sure is to calculate the power draw of both the amp and the inverter. Max load of both would be 400 + 400 watts = 800 watts.

    Watts = Volts * Amps, so 800 = 12 * A. Amps = 66 amps, or 33 amps on each 4 gauge wire. The 12 volt.com says you can get away with a wire run of up to 12 feet at that amperage for 4 gauge.

    The actual max load is probably less since when the car is runnng it outputs closer to 14 volts.
    Originally posted by ghettocruzer
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
    Want to:
    -Find out about the new iBug iPad install?
    -Find out about carPC's in just 5 minutes? View the Car PC 101 video

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    • #3
      Do yourself a favor and power your laptop with an auto power adapter (or DC power adapter - same thing).
      Battery charging systems and laptops don't play nice together in many cases.
      Have you looked in the FAQ yet?
      How about the Wiki?



      Under normal circumstances, a signature would go here.

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      • #4
        Good point. No real need for the inverter when you can buy a power adaptor for about the same price.
        Originally posted by ghettocruzer
        I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
        Want to:
        -Find out about the new iBug iPad install?
        -Find out about carPC's in just 5 minutes? View the Car PC 101 video

        Comment

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