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Old 02-24-2011, 09:47 PM   #1
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Can you mix 6 volt and 12 volt batteries.


Can you mix 6 volt and 12 volt batteries on one bank?

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Old 02-24-2011, 10:37 PM   #2
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Can you mix 6 volt and 12 volt batteries.


In a bank, no. In a grocery store, yes.


what's the scoop? Explain what you are doing.

I know you can connect the in series. The voltage will be additive. I am thinking, but not sure, that you should not hook them up in parallel.

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Old 02-24-2011, 10:59 PM   #3
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Can you mix 6 volt and 12 volt batteries.


no, you cannot connect batteries of different source voltages in parallel. if you do, the battery with the higher voltage will push current into the battery with lower voltage and something will get really hot or blow up. before something goes bad, you will get an output voltage equal to the lower of the two, in your case it would be 6 volts.

bottom line, don't do it.
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Old 02-24-2011, 11:49 PM   #4
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Can you mix 6 volt and 12 volt batteries.


It will technically work, but I think when it comes to charging, you'll run into issues, assuming this is something that will be charged. I would use all same voltage/type of batteries in one bank.
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Old 02-25-2011, 12:45 AM   #5
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Can you mix 6 volt and 12 volt batteries.


well the only thing you could do is a series/parallel combo circuit. if you don't know what that is take some time to read up on it.
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Old 02-25-2011, 01:04 AM   #6
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Can you mix 6 volt and 12 volt batteries.


Oh yeah, you'd want to ensure each "cell" is same voltage.
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Old 02-25-2011, 02:15 AM   #7
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Can you mix 6 volt and 12 volt batteries.


there would still be some problems tho, different Amp-hr ratings of the batteries for example would cause the current of the bank to fall off as small batteries drained quicker
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Old 02-25-2011, 05:34 PM   #8
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Can you mix 6 volt and 12 volt batteries.


Yeah for sure, you'd want to match the amp hour, but even then, that's getting complicated. Do you want the 6 volt batteries to have same AH as the 12v ones, or should the two combined be the same? Or is it more complicated then that? Best to just stick to all the same batteries. :P

It will work, but how well, is another story.
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Old 02-25-2011, 06:18 PM   #9
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Can you mix 6 volt and 12 volt batteries.


IF you need 18 Volts, go for it!

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