can i run a deep cycle as an extra battery to help voltage???

[Mspell]

I know its a dumb question but if i hooked my 8 gauge + to a marine deep cycle battery in the rear of my truck an grounded battery and ran leads off the that battery to my amp would i gain from that?

Thanks

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[Staynlean 10+ year member]

A lot of others can give you much more advice than me and i'm sure some will chime in, but in general i believe that in car stereo we tend to stay away from deep cycle batteries.

Also others can explain better than me as to why, sorry I can't help more.

 

[bgowdy 5,000+ posts]

I know its a dumb question but if i hooked my 8 gauge + to a marine deep cycle battery in the rear of my truck an grounded battery and ran leads off the that battery to my amp would i gain from that?
Thanks

i used a deep cycle marine battery for a while right next to the amp, never had a problem with doing it, never had any troubles. it helped my voltage. i also mixed batteries and never had a problem either. HOWEVER im not telling you to mix batteries just giving you my exp with doing it and using a Deep cycle marine battery,

 

[bgowdy 5,000+ posts]

A lot of others can give you much more advice than me and i'm sure some will chime in, but in general i believe that in car stereo we tend to stay away from deep cycle batteries.
Also others can explain better than me as to why, sorry I can't help more.

as far as deep cycle batteries go, AGM batteries are deep cycle batteries... //content.invisioncic.com/y282845/emoticons/fyi.gif.9f1f679348da7204ce960cfc74bca8e0.gif .... for example my current Deka Unigy AGM's are deep cycle batteries....

 

[Mspell]

What do u mean as far as mixing batteries?

 

[Staynlean 10+ year member]

as far as deep cycle batteries go, AGM batteries are deep cycle batteries... //content.invisioncic.com/y282845/emoticons/fyi.gif.9f1f679348da7204ce960cfc74bca8e0.gif .... for example my current Deka Unigy AGM's are deep cycle batteries....

Aha, that is right. I know others can explain the deep cycle thing more.

 

[bgowdy 5,000+ posts]

What do u mean as far as mixing batteries?

like mixing, deep cycles with normal car batteries

 

[Mspell]

so like my battery under the hood an a deep cycle in the back of truck?

 

[bgowdy 5,000+ posts]

so like my battery under the hood an a deep cycle in the back of truck?

yea....

 

[argenis69 10+ year member]

that's the way I have it, on stock acid battery up front and agm battery in the rear for years and no problem.

 

[Mspell]

i have two deep cycles can i use one for underhood an one for extra in the back?

 

[cfox10 10+ year member]

i have two deep cycles can i use one for underhood an one for extra in the back?

Surprised nobody said to upgrade the wiring first... you said you're running 8 gauge? What kind of amp/s are you running off that? and why the need for a 2nd battery?

Also, you could use both deep cycles like that, but be careful the battery has enough cranking amps/cca to start your car.

 

[Mspell]

im only running 2 Memphis 500.1 an yes i am planing on upgrading wiring. Im getting the dims when bass hits. just orderd some 1/0 so that should help a bit

 

[argenis69 10+ year member]

True, Big 3 is the 1st thing to do, and possible ho alt. that will solve it for good.

 

[cfox10 10+ year member]

im only running 2 Memphis 500.1 an yes i am planing on upgrading wiring. Im getting the dims when bass hits. just orderd some 1/0 so that should help a bit

If I were you, I'd save myself a future headache and just get a ho alt... maybe they make a different alt for a similar model car as yours with higher output? With 1k rms, you shouldn't really need an extra battery, depending on your alt, and wires.