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Daniel Fynn April 25th 21 04:54 AM

cells in Parallel and series
 
Please I have nine cells which are 2 volts, 2amp each. I need to combine them to get 6 volts, 6amp, which connection is better - connecting 3 cell in parallel (to obtain 2 volts 6amp) then i connect the 3 groups in series or connecting 3 cells in series first to obtain 6 volts, 2amp per set and connecting the set in parallel?

Rheilly Phoull[_2_] April 25th 21 07:10 AM

cells in Parallel and series
 
On 25/04/2021 11:54 am, Daniel Fynn wrote:
Please I have nine cells which are 2 volts, 2amp each. I need to combine them to get 6 volts, 6amp, which connection is better - connecting 3 cell in parallel (to obtain 2 volts 6amp) then i connect the 3 groups in series or connecting 3 cells in series first to obtain 6 volts, 2amp per set and connecting the set in parallel?

If charging is not required use either.

Clifford Heath April 25th 21 07:44 AM

cells in Parallel and series
 
On 25/4/21 1:54 pm, Daniel Fynn wrote:
Please I have nine cells which are 2 volts, 2amp each. I need to combine them to get 6 volts, 6amp, which connection is better - connecting 3 cell in parallel (to obtain 2 volts 6amp) then i connect the 3 groups in series or connecting 3 cells in series first to obtain 6 volts, 2amp per set and connecting the set in parallel?


If they're lithium rechargable cells and all the same kind and condition
then the sets of parallel three will keep each other in balance better
than if you have three isolated series strings.

CH

Mike Coon[_2_] April 25th 21 11:51 AM

cells in Parallel and series
 
In article ,
says...

Please I have nine cells which are 2 volts, 2amp each. I need to combine them to get 6 volts, 6amp, which connection is better - connecting 3 cell in parallel (to obtain 2 volts 6amp) then i connect the 3 groups in series or connecting 3 cells in series first to obtain 6 volts, 2amp per set and connecting the set in parallel?


If the most likely fault is one going high resistance or discharged,
that will have less impact with three in parallel...

Phil Allison[_3_] April 25th 21 01:09 PM

cells in Parallel and series
 
Daniel Fynn wrote:
================

Please I have nine cells which are 2 volts, 2amp each.
I need to combine them to get 6 volts, 6amp, which connection is better
- connecting 3 cell in parallel (to obtain 2 volts 6amp) then i connect the
3 groups in series or connecting 3 cells in series first to obtain 6 volts,
2amp per set and connecting the set in parallel?


** FFS - buy a damn 2V, 6AH battery !!!

Your whole idea is stupid.




...... Phil




Edward Hernandez April 25th 21 01:14 PM

cells in Parallel and series
 
Daniel Fynn wrote:
Please I have nine cells which are 2 volts, 2amp each. I need to
combine them to get 6 volts, 6amp, which connection is better -
connecting 3 cell in parallel (to obtain 2 volts 6amp) then i connect
the 3 groups in series or connecting 3 cells in series first to
obtain 6 volts, 2amp per set and connecting the set in parallel?


This question sounds suspiciously like a homework problem.


Rheilly Phoull[_2_] April 26th 21 12:09 AM

cells in Parallel and series
 
On 25/04/2021 8:14 pm, Edward Hernandez wrote:
Daniel Fynn wrote:
Please I have nine cells which are 2 volts, 2amp each. I need to
combine them to get 6 volts, 6amp, which connection is better -
connecting 3 cell in parallel (to obtain 2 volts 6amp) then i connect
the 3 groups in series or connecting 3 cells in series first to
obtain 6 volts, 2amp per set and connecting the set in parallel?


This question sounds suspiciously like a homework problem.

As do many :-(

Tim R[_2_] April 27th 21 01:29 PM

cells in Parallel and series
 
On Sunday, April 25, 2021 at 8:14:26 AM UTC-4, Edward H. wrote:

This question sounds suspiciously like a homework problem.


It has that feel. But what kind of class has a homework problem with a practical application? Can't be an EE.


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