Series, Parallel & Series-Parallel Configuration of Batteries
Introduction to Batteries Connections
One may think what is the purpose of series, parallel or series-parallel connections of batteries or which is the right configuration to charge storage, battery bank system, off grid system or solar panel installation. Well, It depends on the system requirement i.e. to increase the voltages by series connection of batteries, battery ampere hours (as batteries are rated in Ah instead of Amperes) or simply the current or power of batteries by connecting the batteries in parallel or series-parallel to maintain the system according to your needs . If you need to know how to do it, read the following step by step tutorial about primary (non-rechargeable like AAA cells) and secondary (rechargeable like Lead Acid, Nickel Cadmium, Nickel Metal Hydride, Lithium-Ion etc) batteries configuration.
We received some confusing circuits about the topic and they ask if the batteries connections are in series, parallel or series-parallel and which one they go for?. So we will discuss the series, parallel and series parallel connection of batteries in details with schematic diagrams and applications.
Related Post: Introduction to Series, Parallel and Series-Parallel Connections
Below is the comprehensive detail about each connection.
Series Connection of Batteries
If we connect the positive (+) terminal of the battery to negative (-) and negative to positive terminal as shown in the below fig, then the batteries configuration would be in series.
Good to know:
In series connection of batteries, current is the same in each wire or section while voltage is different i.e. Voltages are additive e.g.
Related Tutorial: A Complete Guide about Solar Panel Installation with Batteries. Step by Step Procedure with Calculation & Diagrams
When We Need & How to Connect Batteries in Series?
When you need to double the voltage level according to your system needs while maintaining the same capacity or ampere hour (Ah) rating of batteries.
For example, If you have two 12V, 200Ah hour batteries and you need 24V system for installation. Simply, connect both of the batteries in series where you will get 24V and the same ampere hour rating i.e. 200Ah.
Keep in mind that battery discharges slowly in series connection as compared to parallel battery connection.
You can do it with any number of batteries i.e. to get 36V, 48V, 72V DC and so on by connecting batteries in series.
This system is used in different solar panel installations and other applications.
Related Post: Types of Batteries and Cells and Their Applications
Parallel Connection of Batteries
If we connect the positive terminal (+) of battery to positive and negative (-) to negative terminal. Then the batteries configuration would be in parallel.
Series, Parallel & Series-Parallel Configuration of Batteries
Introduction to Batteries Connections
One may think what is the purpose of series, parallel or series-parallel connections of batteries or which is the right configuration to charge storage, battery bank system, off grid system or solar panel installation. Well, It depends on the system requirement i.e. to increase the voltages by series connection of batteries, battery ampere hours (as batteries are rated in Ah instead of Amperes) or simply the current or power of batteries by connecting the batteries in parallel or series-parallel to maintain the system according to your needs . If you need to know how to do it, read the following step by step tutorial about primary (non-rechargeable like AAA cells) and secondary (rechargeable like Lead Acid, Nickel Cadmium, Nickel Metal Hydride, Lithium-Ion etc) batteries configuration.
We received some confusing circuits about the topic and they ask if the batteries connections are in series, parallel or series-parallel and which one they go for?. So we will discuss the series, parallel and series parallel connection of batteries in details with schematic diagrams and applications.
Related Post: Introduction to Series, Parallel and Series-Parallel Connections
Below is the comprehensive detail about each connection.
Series Connection of Batteries
If we connect the positive (+) terminal of the battery to negative (-) and negative to positive terminal as shown in the below fig, then the batteries configuration would be in series.
Good to know:
In series connection of batteries, current is the same in each wire or section while voltage is different i.e. Voltages are additive e.g.
Related Tutorial: A Complete Guide about Solar Panel Installation with Batteries. Step by Step Procedure with Calculation & Diagrams
When We Need & How to Connect Batteries in Series?
When you need to double the voltage level according to your system needs while maintaining the same capacity or ampere hour (Ah) rating of batteries.
For example, If you have two 12V, 200Ah hour batteries and you need 24V system for installation. Simply, connect both of the batteries in series where you will get 24V and the same ampere hour rating i.e. 200Ah.
Keep in mind that battery discharges slowly in series connection as compared to parallel battery connection.
You can do it with any number of batteries i.e. to get 36V, 48V, 72V DC and so on by connecting batteries in series.
This system is used in different solar panel installations and other applications.
Related Post: Types of Batteries and Cells and Their Applications
Parallel Connection of Batteries
If we connect the positive terminal (+) of battery to positive and negative (-) to negative terminal. Then the batteries configuration would be in parallel.
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