[SI-LIST] Re: Theoretical Battery Life

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
>

_______________________________________________________________________________
UltraCAD Design announces availability of its new book "Signal Integrity 
Issues in PCB Design"
Details at  www.ultracad.com


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