Lowroll Posted August 27, 2009 Author Report Posted August 27, 2009 12.4 volts is not a charged battery Well thats what they were at when I got them. My batteries charge at 13.7-13.9. I have both batteries hooked up now & when my subs hit im dropping to 10.5, thats the lowest its gone. I need a new alt. Quote Current System: Pioneer 6900 HU Front Stage: (for now) Soundstream tarantula 5.25 in the doors Soundstream tarantula 4x6 in the dash Kenwood 400.4 for mids & highs Bass: 4 Soundstream RW-12's 2 Power Acoustik Stax 4000/1D's single chamber box, 2.65 cubes. Currently under the knife being bagged Rebuilding err'thang
Boon Posted August 27, 2009 Report Posted August 27, 2009 They're flat. You need like 15.6v initially to properly charge an AGM battery like those. Quote 10.x volts fo' life!
Lowroll Posted August 27, 2009 Author Report Posted August 27, 2009 They're flat. You need like 15.6v initially to properly charge an AGM battery like those. So how can I charge them at that voltage? Is a box charger going to have an output that high? Quote Current System: Pioneer 6900 HU Front Stage: (for now) Soundstream tarantula 5.25 in the doors Soundstream tarantula 4x6 in the dash Kenwood 400.4 for mids & highs Bass: 4 Soundstream RW-12's 2 Power Acoustik Stax 4000/1D's single chamber box, 2.65 cubes. Currently under the knife being bagged Rebuilding err'thang
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