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cells in Parallel and series...

D

Daniel Fynn

Guest
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?
 
T

Tim R

Guest
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.
 
B

bruce bowser

Guest
On Saturday, April 24, 2021 at 11:54:58 PM UTC-4, 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?

Are those batteries falling out of a damaged laptop?
 
B

bruce bowser

Guest
On Saturday, April 24, 2021 at 11:54:58 PM UTC-4, 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?

Are those batteries falling out of a damaged laptop?
 
J

John Doe

Guest
The netcop wannabe, Charger Boy\'s last (recent) post to this group...

--
Edward Hernandez <dtgamer99@gmail.com> wrote:

Path: eternal-september.org!reader02.eternal-september.org!aioe.org!nzqwpW7fgmak1IV6pg8vew.user.gioia.aioe.org.POSTED!not-for-mail
From: Edward Hernandez <dtgamer99@gmail.com
Newsgroups: sci.electronics.repair
Subject: Re: cells in Parallel and series
Date: Sun, 25 Apr 2021 12:14:22 +0000 (UTC)
Organization: Aioe.org NNTP Server
Lines: 9
Message-ID: <s63meu$7v2$1@gioia.aioe.org
References: <9caa130e-d696-423a-817c-920d528a47abn@googlegroups.com
NNTP-Posting-Host: nzqwpW7fgmak1IV6pg8vew.user.gioia.aioe.org
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X-Notice: Filtered by postfilter v. 0.9.2
Xref: reader02.eternal-september.org sci.electronics.repair:97382

Daniel Fynn <fynnashba@gmail.com> 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.
 
J

John Doe

Guest
The netcop wannabe, Charger Boy\'s last (recent) post to this group...

--
Edward Hernandez <dtgamer99@gmail.com> wrote:

Path: eternal-september.org!reader02.eternal-september.org!aioe.org!nzqwpW7fgmak1IV6pg8vew.user.gioia.aioe.org.POSTED!not-for-mail
From: Edward Hernandez <dtgamer99@gmail.com
Newsgroups: sci.electronics.repair
Subject: Re: cells in Parallel and series
Date: Sun, 25 Apr 2021 12:14:22 +0000 (UTC)
Organization: Aioe.org NNTP Server
Lines: 9
Message-ID: <s63meu$7v2$1@gioia.aioe.org
References: <9caa130e-d696-423a-817c-920d528a47abn@googlegroups.com
NNTP-Posting-Host: nzqwpW7fgmak1IV6pg8vew.user.gioia.aioe.org
X-Complaints-To: abuse@aioe.org
X-Notice: Filtered by postfilter v. 0.9.2
Xref: reader02.eternal-september.org sci.electronics.repair:97382

Daniel Fynn <fynnashba@gmail.com> 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.
 
J

John Doe

Guest
The netcop wannabe, Charger Boy\'s last (recent) post to this group...

--
Edward Hernandez <dtgamer99@gmail.com> wrote:

Path: eternal-september.org!reader02.eternal-september.org!aioe.org!nzqwpW7fgmak1IV6pg8vew.user.gioia.aioe.org.POSTED!not-for-mail
From: Edward Hernandez <dtgamer99@gmail.com
Newsgroups: sci.electronics.repair
Subject: Re: cells in Parallel and series
Date: Sun, 25 Apr 2021 12:14:22 +0000 (UTC)
Organization: Aioe.org NNTP Server
Lines: 9
Message-ID: <s63meu$7v2$1@gioia.aioe.org
References: <9caa130e-d696-423a-817c-920d528a47abn@googlegroups.com
NNTP-Posting-Host: nzqwpW7fgmak1IV6pg8vew.user.gioia.aioe.org
X-Complaints-To: abuse@aioe.org
X-Notice: Filtered by postfilter v. 0.9.2
Xref: reader02.eternal-september.org sci.electronics.repair:97382

Daniel Fynn <fynnashba@gmail.com> 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.
 
E

Edward Hernandez

Guest
> The troll doesn\'t even know how to format a USENET post...

As ironically stated by the John Doe <always.look@message.header> troll
in message-id <sdhn7c$pkp$4@dont-email.me> who has posted yet another
incorectly formatted USENET posting on Wed, 28 Jul 2021 19:36:40 -0000
(UTC) in message-id <sdsbk8$9t8$8@dont-email.me>.
 
E

Edward Hernandez

Guest
> The troll doesn\'t even know how to format a USENET post...

As ironically stated by the John Doe <always.look@message.header> troll
in message-id <sdhn7c$pkp$4@dont-email.me> who has posted yet another
incorectly formatted USENET posting on Wed, 28 Jul 2021 19:36:40 -0000
(UTC) in message-id <sdsbk8$9t8$8@dont-email.me>.
 
R

Rheilly Phoull

Guest
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.
 
R

Rheilly Phoull

Guest
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.
 
C

Clifford Heath

Guest
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
 
C

Clifford Heath

Guest
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
 
C

Clifford Heath

Guest
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
 
M

Mike Coon

Guest
In article <9caa130e-d696-423a-817c-920d528a47abn@googlegroups.com>,
fynnashba@gmail.com 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...
 
M

Mike Coon

Guest
In article <9caa130e-d696-423a-817c-920d528a47abn@googlegroups.com>,
fynnashba@gmail.com 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...
 
M

Mike Coon

Guest
In article <9caa130e-d696-423a-817c-920d528a47abn@googlegroups.com>,
fynnashba@gmail.com 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...
 
P

Phil Allison

Guest
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
 
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