When hooking two batteries in parallel ???????

Is it better to put the load off one battery, or to use positive on one and negative on the other? Or does it make any difference?

Off of one battery

Love the avatar.

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Originally Posted by "G"

Off of one battery

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Why is that, "G" ?? .... one would tend to think pulling off both batteries (+ of one & - of other), at the same time, would discharge the batteries more "equally" ... thus being less destructive to the (main) one being discharged. Otherwise, it would seem to indicate there'd be "no difference".

... cp :kewl

I would hook to what was most convenient.

your charge if just coming off of the + side not the - and when in parallel it is pulling equal off of both batteries.The current flows out of both at the same rate

:hesaid

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Originally Posted by crappiepappy

Why is that, "G" ?? .... one would tend to think pulling off both batteries (+ of one & - of other), at the same time, would discharge the batteries more "equally" ... thus being less destructive to the (main) one being discharged. Otherwise, it would seem to indicate there'd be "no difference".

... cp :kewl

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Most of the time its just easier to connect to one battery..... They are going to discharge equally anyway

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Originally Posted by "G"

Most of the time its just easier to connect to one battery..... They are going to discharge equally anyway

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OK :cool: !! Thanks !!

... cp :kewl

Thanks fellas, guess the same applies to charging.

yep

When just dealing with a couple of batteries taking the load off one side of the bank is fine. When you start working with dozens of batteries in series/parallel banks the load should be wired across the bank, opposite the charging circuit...also wired up across the bank. Has to do with capacitance and voltage drop across the wiring, etc. I take care of automation and electrical systems on multiple offshore, oilfield facilities and am very familiar with that kind of thing. Short answer...its fine. :)

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Originally Posted by cache22

Thanks fellas, guess the same applies to charging.

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You can charge with a one bank charger....it will take twice as long as it would if you had two banks connected one bank to each battery.

If you are going to install an onboard charger to charge the batteries in parallel, go with a dual output and hook each output to each battery. This is what Dual Pro recommends and what I have done on several occasions.

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Originally Posted by Cane Pole

If you are going to install an onboard charger to charge the batteries in parallel, go with a dual output and hook each output to each battery. This is what Dual Pro recommends and what I have done on several occasions.

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I agree.