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Advise needed wiring twin batteries in parrallel!

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TUFFTEE:

--- Quote from: "petergalileo" ---If both batteries are identical in every way there should be no need for a split charge system.  If you are just connecting the batteries in parrallel both will charge together and drain together.  I would act just like a bigger battery with more cells in it.

You only really need a split charge system if you are having 2 different batteries like a standard and a leisure one.  If you connect 2 different ones in parallel the larger powered one will try and charge the smaller one and will succeed in making it overcharge and over heat.

Peter
--- End quote ---


I have just Bought (TWO) Lucas 4 Supremes Calcium powered HD Batteries Running at 75 Ahr

And i need them in Parrallel?

petergalileo:
yes, you need to connect negative to negative, positive to positive then you will get a battery twice the capacity but still at 12 volts.

TUFFTEE:
So! It's the other way to get 24volts then?
ie pos to neg i think? :lol:

petergalileo:
if you disconected your earth strap, connected it to the positive of the new battery then connected the negative of your new battery to earth you would get 24 volts.  

DONT DO IT !

I reckon you would blow all of your electrics.  I dont even think the cigar lighter could handle 24 volts !

karloss:

--- Quote from: "TUFFTEE" ---So! It's the other way to get 24volts then?
ie pos to neg i think? :lol:
--- End quote ---


No. That's how you get a fire. :lol:
For 24v use the pos and neg off two seperate batteries as feed and connect the other two together. Which is most likely what you meant, just not how it sounded!! :lol:
Think about stacking batteries in a torch, same difference.

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