Car Batteries to power Speakers

ryry

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

joed

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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ryry

why didnt i think of that! thank you

Yoyizit

>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.

gregzoll

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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titanoman

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)

gregzoll

titanoman, mine will last 8 to 12 if you do not start playing with it, while it is playing music.

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bobelectric

Generator?

biggles

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

titanoman

Tell me where the party is, and I'll supply the tunes (what's your pleasure?) for a couple beers (that's my pleasure!).