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You can either wire them in series, connecting the positive of one battery to the negative of the other and then having two separate leads as the power source (one from each battery).

Or, you can wire them in parallel, with the two negatives joined (to a common negative lead), and the two positive terminals joined (with a common positive terminal).

NOTE: If you don't know what you are doing look for a diagram or ask someone for assistance, if the batteries are wired incorrectly, or short they can cause a fire or even explode.

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Q: How do you wire two 12 volt batteries together?
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Related questions

Can you wire two 6 volt batteries together maintaining 6 volts but wire a separate plug off the batteries in such a way as to have a single isolated 12 volt plug?

Yes, series the two batteries to produce 12 volts. Tap off of the two end terminals for the 12 volts. Tap off of the series jumper for the 6 volts of one of the batteries. The two 6 volt batteries can not be paralleled in this connection as they will short out.


Can you jump a 12 volt battery with two 6 volt batteries?

Yes, if the two 6 volt batteries were connected together in series.


Will wiring 2 batteries in series hurt your boat?

Depends on the battery size. If your boat is a 12 volt system and you wire two 12 volt batteries in series you then have 24 volts. If the batteries are 6 volt batteries you will be fine. If you have a 12 volt system on your boat and want to use two batteries then wire two 12 volt batteries in parallel. You will still have 12 volts but will have double the amperage available and this will extend the running time of the batteries.


How do you put 2 batteries in series?

Wire minus - to positive +. Know that this will increase the voltage but the amps will stay the same. Wire two 12 volt batteries together in series and you have 24 volts. Click the link.


How do you wire 3 12 volt batteries to get 24 volts?

You do not need three 12 volt batteries to get 24 volts, all you need is two batteries. So I assume by using three batteries you want to increase the amperage. Wire two of the batteries in series and then wire the third battery to the second battery in parallel and you will have 24 bolts. Or you can just wire two 12 V batteries in series to get 24 V.


How do i wire two 12 volt car batteries to make one 24 volt battery?

To get 24 volts from two 12 volt batteries, hook the positive post from one battery to the negative post of the other.


How do you hook up 4 6volt batteries to get 12 volt?

Connect two 6 volt batteries in series. Connect the other two 6 volt batteries in series. Now connect those 2 pairs you have together in parallel. You will end up with 12 volts.


How do you hook 2 6 volt batteries together and still maintain 6 volts?

Two 6 volt batteries connected together in parallel will still maintain 6 volts but their amperage capacity will be doubled.


Can you join two 6 volt batteries together to make a 12 volt one?

join two 6 vault battaries two make 12 vaults


Can you run your 24 volt trolling motor on 12 volts?

step up trasnsformer <<>> As suggested above transformers do not work on DC installations. You will need to use two 12 VDC batteries in series with each other to obtain the 24 VDC needed to operate the motor. Connect a jumper between the two batteries with a wire the same size as the wire coming from the motor. The jumper will go from the negative of one battery to the positive of the second battery. The two remaining posts will connect to the motor and have a potential of 24 VDC.


How do you wire two 12 volt car batteries to make 12 volt?

You would wire them in "Parallel". That means positive post to positive post and negative to negative. Two 12 volt batteries wired this way doubles the capacity and amperage capability of the system. It does not cause any harm to the electrical system as the system sees them as one big battery.


How do you charge 6 volt batteries with a 12 volt charger?

If you have two 6 volt batteries you can take a jumper wire and connect the negative post on one battery to the positive post on the other battery then connect the remaining pos and neg posts to the 12 volt battery charger.