Battery recommendations


Loud(ish)_Geo

CarAudio.com Newbie
Aug 18, 2020
15
3
Pennsylvania
I'm planning a complete overhaul of my power in my car and the last thing I need is a battery. I have a 900watt rms 3800watt max system and was hoping for 80+ah. Does anyone have any cheap alternatives to xs power I'm trying to be under $300
 

Ridinhi

CarAudio.com Veteran
10+ year member
Aug 8, 2006
3,932
112
Winston-Salem, NC
I'm planning a complete overhaul of my power in my car and the last thing I need is a battery. I have a 900watt rms 3800watt max system and was hoping for 80+ah. Does anyone have any cheap alternatives to xs power I'm trying to be under $300
I just picked up a die hard agm from advance auto this past weekend. That plus I upgraded my Big 3 with ofc wire. Seems to be doing the job so far.
 
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Jeffdachef

Gunz That Turn on Nunz
Feb 5, 2013
18,541
794
South Coast Metro, CA
If you have a sams club membership the Duracell platinum is extremely solid
 

JakeW

CarAudio.com Enthusiast
Oct 1, 2020
74
6
Thornton co
What size underhood can you fit? Is there any room in the back for an auxiliary as well? I as well upgraded to diehard agm, then put lithium in the back. Titan 8 pwr-s5
 
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Loud(ish)_Geo

Loud(ish)_Geo

CarAudio.com Newbie
Aug 18, 2020
15
3
Pennsylvania
What size underhood can you fit? Is there any room in the back for an auxiliary as well? I as well upgraded to diehard agm, then put lithium in the back. Titan 8 pwr-s5
According to AutoZone I can fit a group 35 and while I do have room for a battery in the trunk I'm trying to get away with just the one under the hood
 
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JakeW

CarAudio.com Enthusiast
Oct 1, 2020
74
6
Thornton co
Do you also monitor voltage at your amp(s)? it’s very helpful, I had my 160a alternator modified into a 326a locally here in Denver, it now does 14.5-14.8 at idle
 
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Loud(ish)_Geo

Loud(ish)_Geo

CarAudio.com Newbie
Aug 18, 2020
15
3
Pennsylvania
Do you also monitor voltage at your amp(s)? it’s very helpful, I had my 160a alternator modified into a 326a locally here in Denver, it now does 14.5-14.8 at idle
Only gauge I have is a cigarette lighter one, but when I still had a cap I tested it again it and they had the same readouts
 
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JakeW

CarAudio.com Enthusiast
Oct 1, 2020
74
6
Thornton co
Copy. I’ve never run with a cap, guess I’ve heard contradicting stories on them but nonetheless, a group 35 agm has only about 55ah.
 

Popwarhomie

10+ year member
Jan 22, 2010
8,421
1,317
FL
For 900 watts rms you shouldn't need anything.
 

Popwarhomie

10+ year member
Jan 22, 2010
8,421
1,317
FL
Titan LTO can be used with AGM but that is pointless for 900 watts.
 
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