Re: High-Capacity NiCad Batteries

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From: Mike McShan (wmcshan@REX.RE.uokhsc.edu)
Date: Wed Feb 12 1997 - 16:58:40 EST


>>For a reference, other AA-type batteries offer the following:
>>
>>Alkaline: 1.5V/2400 mA-H
>>recharg. Alkaline: 1.5V/1300 mA-H, 25 charges, capacity after 10 charges
>>standard NiCad: 1.2V/600 mA-H, 300+ charges
>
>Hmm. Just off-hand, it looks like the rechargable alkalines might be the
>better bet. But then, I'm not too fond of NiCads because of their memory.
>
>Dean -- from Des Moines (KB0ZDF)

I have used the rechargable alkalines and was not overly impressed. After
10 charges, their performance rapidly degraded, and after about 20 charges,
they were usually worthless. I was using them in an Apple Newton that drew
about 800 mA, and these batteries were definitely poorer in performance
than ordinary alkalines or nicads - more reboots and system instabilities.
I think that rechargable alkalines might prove to be a poor choice for a
high current device like a transmitter.

Mike N5JKY
Edmond, OK


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