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tech / sci.electronics.design / Re: battery charger

SubjectAuthor
* battery chargerRichD
+- Re: battery chargerJohn Robertson
+- Re: battery chargerwhit3rd
+- Re: battery chargerPhil Allison
+- Re: battery chargerJohn S
`- Re: battery chargerJasen Betts

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battery charger

<82b6b0c4-04b4-44fa-889e-8e5a35d43cc5n@googlegroups.com>

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Subject: battery charger
From: r_delane...@yahoo.com (RichD)
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 by: RichD - Mon, 19 Jul 2021 23:54 UTC

I picked up a AAA NiMh battery charger.
The label reads:
Output: 1.2 V 800 mA
AA/AAA charging: 120 mA

Why the two different current specs?
Does not compute -

--
Rich

Re: battery charger

<McidndbNd600uWv9nZ2dnUU7-fnNnZ2d@giganews.com>

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From: spa...@flippers.com (John Robertson)
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 by: John Robertson - Tue, 20 Jul 2021 01:19 UTC

On 2021/07/19 4:54 p.m., RichD wrote:
> I picked up a AAA NiMh battery charger.
> The label reads:
> Output: 1.2 V 800 mA
> AA/AAA charging: 120 mA
>
> Why the two different current specs?
> Does not compute -
>

Smaller batteries overheat more easily...

John :-#)#

Re: battery charger

<f5343643-33bb-44ef-bfc9-e18308d2848an@googlegroups.com>

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Subject: Re: battery charger
From: whit...@gmail.com (whit3rd)
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 by: whit3rd - Tue, 20 Jul 2021 01:46 UTC

On Monday, July 19, 2021 at 4:54:41 PM UTC-7, RichD wrote:
> I picked up a AAA NiMh battery charger.
> The label reads:
> Output: 1.2 V 800 mA
> AA/AAA charging: 120 mA
>
> Why the two different current specs?
> Does not compute -

If the power output is at 1.2V, it's charging cells in parallel.
If it delivers 800 mA into a 1.2V load, that's good for six cells in parallel?
The 120 mA could be a per-cell limit, or into a 1.4V -1.6V load (fully-charged cell)

Re: battery charger

<157ec135-f6c4-4a5e-95cd-10058ad48567n@googlegroups.com>

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Subject: Re: battery charger
From: palliso...@gmail.com (Phil Allison)
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 by: Phil Allison - Tue, 20 Jul 2021 03:46 UTC

RichDope wrote:
=================
> I picked up a AAA NiMh battery charger.
> The label reads:
> Output: 1.2 V 800 mA
> AA/AAA charging: 120 mA
>
> Why the two different current specs?
> Does not compute -

** Printing error - dummy.

The first spec is for intended cell type.

...... Phil

Re: battery charger

<sd6nbm$auq$1@dont-email.me>

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From: Soph...@invalid.org (John S)
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Subject: Re: battery charger
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 by: John S - Tue, 20 Jul 2021 14:41 UTC

On 7/19/2021 6:54 PM, RichD wrote:
> I picked up a AAA NiMh battery charger.
> The label reads:
> Output: 1.2 V 800 mA
> AA/AAA charging: 120 mA
>
> Why the two different current specs?
> Does not compute -
>

Just guessing that the 1.2V 800mA is the battery rating and the 120mA is
the charging current.

Re: battery charger

<sd7lbf$o2n$2@gonzo.revmaps.no-ip.org>

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From: use...@revmaps.no-ip.org (Jasen Betts)
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Subject: Re: battery charger
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 by: Jasen Betts - Tue, 20 Jul 2021 23:13 UTC

On 2021-07-19, RichD <r_delaney2001@yahoo.com> wrote:
> I picked up a AAA NiMh battery charger.
> The label reads:
> Output: 1.2 V 800 mA
> AA/AAA charging: 120 mA
>
> Why the two different current specs?
> Does not compute -

Maybe charges AA at 800mA and AAA at 120mA ?

--
Jasen.

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