ZachG Posted June 30, 2012 Report Posted June 30, 2012 So there seems to be a lot of debate on this subject. Is it bad to run wet cell & agm batterys in parallel? As in having a stock wetcell in the front & running a positive to the trunk for a second agm battery. Would it ruin the batterys & how long would that take? 1998 Pontiac grand prix gtp supercharged2 12" Obsidain Audio V.1 on a 2011 zx1500.1 at 2 ohms. 20ft of Knuconceptz CCA 0 Guage. 2nd Battery is a Shurken BT-120. Box is 3.5cu tuned at 31.8hz sealed off from the trunk. 14sqft of Dynamat on the Rear deck top & bottom. Soon to be more for doors/roof. Gets low & loud Did a 140.5 Sealed at Battle of the boom in June 2013 dropping to 12.7v (need a alt mines going bad)
ddlvr630 Posted July 3, 2012 Report Posted July 3, 2012 i would like to know the same. better to just replace the wet cell with a agm or add the agm to the wet cell.... 2004 cavalier 2 door 5 speedalpine cda-103skar pax 6.5s power acoustik D1-6000power acoustic 4-2600soundquest 1/0 throughoutDC XL M2 18 walledstock altbig 3 donestock battery under hood, 1400cca 400ah semi battery in the trunk
ALPINE408 Posted July 3, 2012 Report Posted July 3, 2012 Doing this will kill some of the life of the batt how much? I don't think anybody knows I have done this mix many time for years without a problem some others might not be as lucky I would rather have 2 mixed batts vs 1 not mixed but that's just me Have you ever had your woofers blown?
Skullz Posted July 3, 2012 Report Posted July 3, 2012 I thought you ran into problems with wet cells and dry cells being mixed together whereas mixing agm and wet cells were ok as long as the agm's were topped off before installing. 01 Ford focus ZX3 Pioneer AVH-X491BHS PPI PC 4800.2 Morel Maximo 6.5" x2
ALPINE408 Posted July 4, 2012 Report Posted July 4, 2012 not me Have you ever had your woofers blown?
graham0599 Posted July 4, 2012 Report Posted July 4, 2012 I've ran mixed batteries on my truck for quite a while not and haven't had any problems. I just matched the resting voltages before installing My 350z build- http://www.stevemeadedesigns.com/board/topic/174424-2008-350z-build/page-2?hl=%2B350z+%2Bbuild#entry2605678
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