[SI-LIST] Re: Theoretical Battery Life
- From: Doug Brooks <doug@xxxxxxxxxx>
- To: michael.neaves@xxxxxxxxxxx, si-list <si-list@xxxxxxxxxxxxx>
- Date: Mon, 25 Nov 2002 08:55:52 -0800
I did have reason to investigate this one time.
A typical "D-cell" alkaline battery is rated for 100 hours @ 150 mA. It
therefore should be "rated" at 50 hours or less at 300 mA (is my guess)
Doug Brooks
At 10:58 PM 11/20/2002 -0500, Mike Neaves wrote:
>Hi Everybody!
>
> I have a question that I would like answered....
>
> This question doesn't have much to do with SI, but, with the
> "plethora" of electrical knowledge available in this forum, I expect
>
> that someone may know the answer I am searching for...
>
>The question is:
>
> How long can I expect '2' alkaline D cell batteries connected in
>series
> to provide a relatively constant current of 0.3 Amps?
>
> i.e. 3 volts / 10ohms = 0.28 to 0.30 Amps
>
>Thanks,
>
>Mike
>
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