zack74562 Posted July 31, 2009 Report Share Posted July 31, 2009 i just got a digital multimeter to test my batteries. the d2400 is 12.46 and the d2700 is at 12.43 . i was wondering do i still need to charge it? i have no clue. if i do have to, how long will i have to charge it for? Quote Link to comment Share on other sites More sharing options...
JPagan Posted July 31, 2009 Report Share Posted July 31, 2009 Put them in your vehicle and the alternator will charge them. Quote Link to comment Share on other sites More sharing options...
zack74562 Posted July 31, 2009 Author Report Share Posted July 31, 2009 okay thanks bro Quote Link to comment Share on other sites More sharing options...
enemyofsilence Posted July 31, 2009 Report Share Posted July 31, 2009 you should be good. my batt read 12.77 and i put it in my car and the alt charged it right up Quote Team Bass-Hz Link to comment Share on other sites More sharing options...
zack74562 Posted July 31, 2009 Author Report Share Posted July 31, 2009 alright, thanks a lot Quote Link to comment Share on other sites More sharing options...
Blazerbass Posted July 31, 2009 Report Share Posted July 31, 2009 I would say if it wasnt to charged and had low voltage, to charge it. because the alt might work to hard to get both of them up to full charge. but in your case your fine Quote http://www.secondskinaudio.com/ Link to comment Share on other sites More sharing options...
sully Posted July 31, 2009 Report Share Posted July 31, 2009 If they were mine i would trickle charge them overnight, stock electrical systems will not charge multiple batteries very well. They can maintain fully charged batteries over time but it is a good idea to have them topped off before installing them. Keep an eye on the battery bank too, you may want to hook a charger up to them weekly or monthly depending on how hard you pound your system. I have a quick disconnect under the hood of my truck that i plug into a charger while the truck is parked in the garage. Keeps the batteries nice and fresh all the time. Quote 2003 Ford F-150 Reg Cab layin body on 26's 2003 Tahoe 3/5 drop on 26's with a 408cid Supercharged engine. 2011 Camaro 2SS 2005 VW GTI Stage II ECU, CAI, 3" turbo back exhaust, FMIC, lowered 2" on some plastidipped 18's 2003 Hayabusa lowered, stretched, cams, nitrous and custom paint Link to comment Share on other sites More sharing options...
zack74562 Posted August 26, 2009 Author Report Share Posted August 26, 2009 thanks a lot for the help guys! i had my batteries put in my car for about a month now. the day it was put in the car it read at 12.4 and a couple days after i tested it and it was 13.7. i have a 250A alternator i got from mechman. bad news my car completely died on me yesterday on the freeway. i have no idea what the problem is, so i called the guy that installed my sound system to ask him if there was anything to do with the install to cause the problem. he said no and doesn't know the cause of it. tested my batteries today and it showed 10.4 so, how long do i charge it for? Quote Link to comment Share on other sites More sharing options...
Soulman07 Posted August 26, 2009 Report Share Posted August 26, 2009 thanks a lot for the help guys! i had my batteries put in my car for about a month now. the day it was put in the car it read at 12.4 and a couple days after i tested it and it was 13.7. i have a 250A alternator i got from mechman. bad news my car completely died on me yesterday on the freeway. i have no idea what the problem is, so i called the guy that installed my sound system to ask him if there was anything to do with the install to cause the problem. he said no and doesn't know the cause of it. tested my batteries today and it showed 10.4 so, how long do i charge it for? Sounds like your alternator may have failed on you actually. Have it tested Quote 1993 Chevrolet SWB Pickup Viper 791XV Primer Stage 5/8 Static Drop Kinetik HC1800 Big 3 Knu Flex 0 Team Tex Flex Link to comment Share on other sites More sharing options...
bigjsurdaddy Posted August 26, 2009 Report Share Posted August 26, 2009 if it is the alt and it wasn't from anything you did, i'm sure that mechman will get you a new one. he's a pretty stand up guy. if he says no, try a dc power one. Quote Link to comment Share on other sites More sharing options...
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