gmoxley1 Posted August 8, 2014 Report Share Posted August 8, 2014 So i have what i think is a pretty simple question. If i have a regular flooded battery as a starter battery can i use an XS power battery as a supplement to my car audio system. for now it would be a saz 1500d at 2 ohms, so only about 800 or so watts, which i know is not much for that battery but when i get some different subs and wire to 1 ohm ill be around 1500 watts. my main question is would i HAVE to run a relay as to separate the batteries when the car is off? would their be a constant push/pull from the two batteries that could potentially cause the batteries to drop below 12.6 while im not using the car. the longest i go without using my car is about 4 to 6 days. its rare that i ever go a full week without at least cranking it and letting the regular battery charge a bit while i listen to some music. Thanks in advance to everyone who answers! Quote 1998 chevy blazer 4 door stock alt 105a Battery: Autocraft Gold 75-3 Big Three in Sky High Car Audio 4ga subs: rockford p2 12's (soon to be sundown SA 12's) Sundown SAZ-1200d on the subs Mids and Highs: Infinity kappa 6.5 mid in front doors and tweets in Dash sae 50.4 for mids and highs SMD OM-1 on the subs Link to comment Share on other sites More sharing options...
gmoxley1 Posted August 9, 2014 Author Report Share Posted August 9, 2014 nevermind. found the answer... Quote 1998 chevy blazer 4 door stock alt 105a Battery: Autocraft Gold 75-3 Big Three in Sky High Car Audio 4ga subs: rockford p2 12's (soon to be sundown SA 12's) Sundown SAZ-1200d on the subs Mids and Highs: Infinity kappa 6.5 mid in front doors and tweets in Dash sae 50.4 for mids and highs SMD OM-1 on the subs Link to comment Share on other sites More sharing options...
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