Direct connection of two batteries

In summary, connecting the positive terminal of a 5 volt battery to the positive terminal of a 10 volt battery and connecting the negative terminals of both batteries without any resistance or components in between could result in fire or other negative consequences. This is because batteries are low output impedance voltage sources and unequal batteries in parallel could cause large currents to flow. Therefore, this should not be done.
  • #1
kimmy510
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If i connect the positive terminal of a 5 volt battery to positive terminal of 10 volt battery and the negative terminals of both batteries are also connected without using any resistance or any other components in between what will happen to the two batteries?. Will the one with higher voltage discharge and the one with lower voltage charge?
 
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  • #2
kimmy510 said:
If i connect the positive terminal of a 5 volt battery to positive terminal of 10 volt battery and the negative terminals of both batteries are also connected without using any resistance or any other components in between what will happen to the two batteries?. Will the one with higher voltage discharge and the one with lower voltage charge?

Please don't do that. It could result in a fire or other bad things happening.

Batteries are low output impedance voltage sources, and large currents could flow if unequal batteries were connected in parallel.

Thread closed.
 

1. What is the purpose of directly connecting two batteries?

The purpose of directly connecting two batteries is to increase the total voltage output. This can be useful in applications that require a higher voltage than what a single battery can provide.

2. How do you connect two batteries together?

To connect two batteries, you will need to use jumper wires and connect the positive terminal of one battery to the negative terminal of the other battery. This creates a series connection, which increases the total voltage output.

3. Is it safe to directly connect two batteries?

Directly connecting two batteries can be dangerous if not done properly. It is important to make sure the batteries are the same type, voltage, and capacity and to use appropriate wiring and connections. If done correctly, it can be safe to directly connect two batteries.

4. What are the advantages of directly connecting two batteries?

The main advantage of directly connecting two batteries is the increased voltage output. This can be useful in applications such as powering high-powered devices or for longer periods of time without needing to recharge.

5. Are there any disadvantages to directly connecting two batteries?

One potential disadvantage of directly connecting two batteries is that it can cause an imbalance if the batteries are not identical. This can lead to one battery draining faster than the other, reducing the overall lifespan of the batteries. It is also important to ensure the batteries are properly connected to avoid any safety hazards.

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