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Reload Thread: C & d batteries ! ! !

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    Joe562MMA's Avatar
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    C & d batteries ! ! !

    i just want to see if anyone can shed some light on this subject
    ...



    you see how it says "float charge voltage" 13.5-13.8 does that mean thats what it stays at after a charge? or while driving? my voltage stays around 14.2 14.3 drops to around 13.7 at full tilt im running 2 370 mr cnd & 2 400 mr the replacements for the 370..




    i was told voltage is regulated by the alt, i have a 220 amp alt but why cant i get my voltage to stay constant in the 14.s would u say i need a better alt? i have an astro van so im not sure if dual alts would fit..



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    Re: C & d batteries ! ! !

    External regulator?



    09 Cobalt LT
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    Re: C & d batteries ! ! !

    do you run one?



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    Re: C & d batteries ! ! !

    need a stronger alt if you expect voltage not to drop. That amp will draw more then your alt can produce...

    C&D's are strong batts. I have 6 of the 139aH version.




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    Re: C & d batteries ! ! !

    o ok thanks, yea i have a alt shop built alt it does very well for me but its at 225 highest he can go ..an i got it for 140 so when i wanna pay a grip for one ill most likley get my wanted voltage lol



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    Re: C & d batteries ! ! !

    Quote Originally Posted by Joe562MMA View Post
    o ok thanks, yea i have a alt shop built alt it does very well for me but its at 225 highest he can go ..an i got it for 140 so when i wanna pay a grip for one ill most likley get my wanted voltage lol
    stock case rewinds are decent, but you get what you pay for. I run a couple of DC Power alts and couldn't be happier....




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    Re: C & d batteries ! ! !

    true, i got a stock one from a diff car an then they upgraded it to the max but ill buy an expensive one down the line sometime



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    Re: C & d batteries ! ! !

    You have to remember that those batteries are normally used for a UPS system as back up power for systems in facilities that need undirupted power to life safety/comp sytems. The float voltage is redulated by a stand alone electronic charger that is part of the cabinet.




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