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Old 01-21-2012, 06:15 PM   #1
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Car Batteries to power Speakers


Hi, first time on this forum. So next month Im having a party in the barn on my property, but theres one problem; no electricity, and its half a mile to the nearest outlet. So heres my idea i have 2 car batteries and all i want to power is 3 100 watt florescent and my M-Audio Studiophile AV 40 speakers. Ill play music from my ipod so i dont need to power that. so my question is how long will i be able to play music and keep the lights on with both batteries charged? i dont need more than like 6 hours.
thanks in advance

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Old 01-21-2012, 06:35 PM   #2
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I would do a test. Start by using only the lights. Hook them up to the batteries and let them run. See how long they last.

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Old 01-21-2012, 06:37 PM   #3
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Duh


why didnt i think of that! thank you
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Old 01-21-2012, 07:19 PM   #4
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>300 W for 6 hours is >1800 w-h.

One 60 amp-hour, 12v lead acid battery will give you less than 720 w-h, less because of the Peukert effect.

Plus, they are not deep cycle batteries.
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Old 01-21-2012, 07:24 PM   #5
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Not going to happen. Get a small genset, or do like we did in my day, turn on the radio in the car, or bring a boombox. The Dewalt units are pretty good. As for the lights, light a fire and put up some torches.
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Old 01-21-2012, 07:28 PM   #6
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Just party in the car (it'll idle for 6 hours, won't it?).
What's wrong with the house stereo?

(will your ipod battery last 6 hours)
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Old 01-21-2012, 07:33 PM   #7
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titanoman, mine will last 8 to 12 if you do not start playing with it, while it is playing music.
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Old 01-21-2012, 08:21 PM   #8
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Generator?
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Old 01-21-2012, 09:25 PM   #9
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USE the car/truck running it...alligator clips on a heavy duty X cord park the car outside the barn and run the cord into the barn tie the show into that
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Old 01-21-2012, 10:21 PM   #10
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Tell me where the party is, and I'll supply the tunes (what's your pleasure?) for a couple beers (that's my pleasure!).

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