jdl01gt Posted November 18, 2010 Report Posted November 18, 2010 was wondering if it is a good rule of thumb to have as many amp hours in batteries as you have in amps of current in system or is it not neccesary. I already have a DC Power 270xp alt and two shuriken bt-120 batteries and my volatage at idle stays about 12v 07 Corolla S 2-p3 15's in a custom fiberglass box powered by a p1001bd, Fosgate punch series components that hit 140.1 on Term Lab 07 Magnum R/T 1-??? sub powered by RF 2500-1bd, Big 3, 2-shuriken bt-120 batteries. 99 Ford F-150 Reg Cab 2-10in Powerbass ps subs in a MTX Thunderform box Powered by ASA1000.1. Hit 132.4 on Term Lab
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