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Sonic Electronix

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Posted

I have a CarPC and when I'm using it battery dies in about 15 mins... I want to add another battery but don't know which one I should get I want it to hold a good 30 mins at least before dying and also is there such an indicator I can put in my dash to tell me if its about to die??

Posted

What kind of computer do you have in the car? I feel sorry for you if your running a full tower lol. You can buy a voltmeter. Also you could get a small pc like a mac mini or something that will be more power efficient. Also why do you want to use the computer with the car off?

Also second third fourth etc batteries are always an option.

Posted

lol no its not a full tower it's built in my glove compartment..

I have M2-ATX-HV 160w PSU, ASRock board, an SSD and a USB hard drives with 10.4" touch screen

Also have alpine pdx 4.150 and 1.1000 amps with 2 JL 12" W3's

That's my setup, I like music and I'm a PC Tech the CarPC can be handy yet sometimes I like to watch youtube but I don't want to keep turning on the car.

Posted

Sounds like you know what your doing. You could all a second battery with an isolator. One battery w/ voltmeter for the PC and the stock one under the hood for starting your car.

Flip the switch when you want to run the battery for the pc/music with the car off. I wouldnt recommend killing it all the way because alternators hate charging up dead batteries.

Posted

thanks for the quick responses but do you know what battery should I get I'm good at connecting but I don't know what I need. I want something to last long and also if there's an indicator to tell me its running low so I can turn on the car before killing the battery. I don't plan on using the PC like that everyday it's more like once a week thing.

Posted

You could go with a simple voltmeter to monitor the battery. As for the battery itself, I would go with an AGM cell, Like XS Power. Probably a Group 31 would suit your needs if you have a place to put it. Batteries add alot of weight and take up some space if you have a small vehicle. How much power does your setup pull?

Posted

I do have a small car but I have plenty of space for the battery.. setup is around 2000 watts.. I'd hate to keep checking the battery with a voltmeter I thought there would be something I can install in the dash to monitor it.

Posted

A urgent thing on a 2. batt is, that you don´t mix lead-acid with AGM batt´s. Here a nice offer of a quality AGM batt. http://www.stevemeadedesigns.com/board/topic/144556-dont-seem-like-a-bad-deal/. If you have a lead acid under the hood, switch them out, hope your budget can fit it, 90 $ is a awsome deal on a

AGM batt´s.

"in the abundance of water, the fool is thirsty" Bob Marley

Posted

budget is not an issue I always rather quality, i'm a lil confused tho, do I need to replace my current lead-acid bat? and get 2 AGMs... they're both going to be under the hood, nothing is going in the trunk just thought I should be clear on that

Posted

^ Get the biggest AGM cell you can fit under the hood wether it is one or two. and you should be good to go man!

You seem to be avoiding the voltmeter so is this what your looking for?

531_2.jpg531_2.jpg

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