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an extra battery


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thumpn87ford 
Member - Posts: 2
Member spacespace
Joined: March 16, 2006
Location: United States
Posted: March 16, 2006 at 6:51 PM / IP Logged  
i have two(2) 15" cadance subs powered by a 2500 watt cadance amp i have all the equipment i need for another battery i juat want to check to make sure i'm not going to blow anything when i turn it all on.  any help would be wonderful
if it's big it's ok, if it's shinny it's better. if it's loud, it kicks. the louder the better
menace2sobriety 
Silver - Posts: 394
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Joined: October 29, 2005
Location: United States
Posted: March 16, 2006 at 11:22 PM / IP Logged  
another batt will not blow anything up just make your alternator work a lil harder. run the batt's positive to positive, neg to neg. and thats all their is to it. just remember to fuse the new batt too.
Alien509 
Member - Posts: 42
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Joined: August 09, 2003
Posted: March 17, 2006 at 11:22 PM / IP Logged  
wouldn't that be a paralell setup and make the voltage 24 volts instead of 12, therefore frying everything?
jeffchilcott 
Platinum - Posts: 2,483
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Joined: April 11, 2002
Location: United States
Posted: March 17, 2006 at 11:49 PM / IP Logged  
no, the voltage would remain the same.
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willdkartunes 
Copper - Posts: 250
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Joined: February 01, 2006
Location: United States
Posted: March 18, 2006 at 12:04 AM / IP Logged  

Make sure your alternator is capable of charging another battery. If your drawing a lot of current (2500watts is a good bit) then your alternator must be able to keep up with this current draw. I've seen a lot of people fry their old alternators because they wanted to try and save some money. Then again, I've also seen a lot of people stick with their stock alternators and haven't had a problem with it. It all Depends on your factory alternator's capabilities.

Keep in mind that a battery cannot "overpower" a stereo system. A battery is only a storage for energy. Whether or not you use this stored energy to kill your stereo is another question all together...

Do whatever makes you happy in life without diminishing the happiness of others
xscash 
Copper - Posts: 317
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Joined: March 05, 2006
Location: United States
Posted: March 18, 2006 at 12:10 PM / IP Logged  

hey menace...it would only be 24v if you connect the positive from one to the neg of the other...then you would get 24v on the other 2 terminals.

XS

12tech 
Member - Posts: 8
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Joined: February 05, 2005
Location: United States
Posted: March 18, 2006 at 12:48 PM / IP Logged  
if u are using a factory alternater then consider uppgrading it also.
kam
Alien509 
Member - Posts: 42
Member spacespace
Joined: August 09, 2003
Posted: March 18, 2006 at 6:39 PM / IP Logged  

My bad I read the topic late at night and was a bit tired, but I'm not going to call you a menace for being right this time.an extra battery -- posted image.


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