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12 Volt Battery in Parallel – Introduction, and Methods

Dec 31, 2021   Pageview:1156

There are several cases when you need to achieve some voltage or current specifications from the battery but finding a battery that meets your requirements is not possible. In such a case there is not a lot that you need to do other than find a battery in a set of two that you can connect.

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Connecting 2 batteries of the same type can help you in achieving the voltages or currents that are not otherwise available in a battery. So, here we will be talking about connecting the 12-volt battery in a parallel configuration for different purposes.

12-volt Battery in a Parallel Wiring Diagram

The first thing that comes to mind whenever connecting something according to a circuit is a wiring diagram. It tells the right way of making connections and in this way, you can stay safe from creating any unintentional disasters with your battery system.

In the case of parallel connection of a 12-volt battery, you mustn't make mistakes as the battery itself is expensive, and the system that the battery is going to be connected to will also be most probably expensive. So, it is your best choice to stay careful and the wiring diagram helps a lot in this case.

What is the importance of following the wire diagrams when connecting batteries in parallel?

While the wiring diagram only shows how a circuit may look when completed, why is it very important? Well, if you are thinking that it only shows how a circuit will look when it is completed, you are most probably wrong because this diagram tells a lot. The wiring diagram tells the following things about the connection:

Battery terminals

System terminals

Orientation of wires in different circuits

Steps for connecting different wires to the circuit

With all of this information and a lot of other information as well you must follow the wiring diagram for the safest experience.

The Benefits of Connecting Batteries in a Parallel Configuration

There are a lot of benefits of connecting the batteries parallelly and here are some of the most important ones:

Lower total resistance

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Better discharge time

Fewer chances of getting overcharged batteries.

What happens when two 12-volt batteries are in parallel?

Connecting different batteries of the same type is something that excites people a lot. Well, some major things take place while some things are not affected at all. So, here we will be elaborating on everything that happens when you connect two of your 12-volt batteries in a parallel way.

Effect on the Voltage of the System

The first thing that you may think will change is the voltage of the system. Now the interesting thing here is that there are no changes to the voltage of the whole system regardless of the number of batteries that you connect in a parallel way. So, the same will be the case here.

Effect on the Capacity of the System

Now moving towards the things that will change in the system. The first thing that will change is the total capacity. Consider that you have 2 batteries with a total capacity of “X amp hours” now when you connect those two batteries in a parallel way you can obtain a total capacity of “X amp-hours + X amp hours”.

It simply means that by connecting two same batteries you will be doubling the total capacity of the system as well.

Effect on the Current of the System

Another thing that will change in the system is the total current. As more batteries are holding a charge, the number of charges passing through the system will increase which will mean that the total current of the system also increases.

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How do you wire a 12-volt battery in parallel?

Now that you know most of the things about 12-volt batteries connected in parallel, you may also know the right process to connect 12-volt batteries in a parallel configuration. So, here is our step-by-step guide on how you can connect these batteries in parallel.

Step 1: Identification of the Terminals

The first step in this process is the identification of the different terminals involved in the system. The following are some of the terminals of different things that you need to identify:

Terminals of all the batteries

Terminals of the system

Terminals of the jumper wires.

It is suggested as an amazing practice to keep arranging things in a way where similar terminals are on one side. Labeling things is also a great practice.

Step 2: Connecting the Batteries

Once the identification process is complete you can move on to the next step in the process which includes connecting the batteries. As you are connecting in parallel there is not a lot that you need to do other than connect the similar terminals of batteries.

Step 3: Connecting the Batteries to the System

The last step left when you have connected all of the batteries is to connect the batteries to the system. The process here is also going to be the same as you only need to connect terminals together. However, this is the part where you need to be a little extra careful about your protection as well as the protection of the whole system.

Just by following these steps, you can easily connect your batteries in a parallel way. Doing so will help you achieve the required specifications from the battery that is otherwise not available as a single battery.

Conclusion

Connecting batteries in different ways brings a lot of value in different manners. First of all, it removes the need of creating different batteries because you can obtain the desired specifications from the batteries that are already available.

Secondly, it makes things easily manageable. However, in all of this process, you must stay as careful as possible. Now we hope that you know all about 12-volt batteries and connecting them in a parallel configuration. However, we hope that you will take the best safety measures as well for your safety as well as the safety of the whole system.

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