Re: AA battery tests
- From: The Phantom <phantom@xxxxxxx>
- Date: 28 Feb 2006 04:04:02 -0600
On Tue, 28 Feb 2006 04:24:06 GMT, "Mook Johnson" <mook@xxxxxxxx> wrote:
I have an application that requires 4AA batteries (4.8-6v) to be pulse
loaded from time to time but should maintain a terminal voltage above 4V
when under load.
Over a 2 minute run, the battery idles at 100mA and pulses to 1A for 2
seconds then back to idle for 5 seconds the pulsed again. And so on for 2
minutes. This happens 10 times a day and the battery rests inbetween but
cannot be recharged at that time.
Which AA battery technology would hold its terminal voltage better?
The published curves (http://sanyo.wslogic.com/pdf/pdfs/HR-3U-2500.pdf) for
the Sanyo 2500 mAh NiMh indicate that it wouldn't have any problem meeting your
requirement.
Alkaline Photo
Alkaline
Lithium
NIMH
NICAD
I'm not so much concened with the benifits recharging because it is a bit of
a hastle in this application. Just looking for the best performance.
I've heard that the batteries with the larger mAH ratings tend to have
higher internel resistance so they wouldn't fare well in this type of test.
Opinions?
.
- References:
- AA battery tests
- From: Mook Johnson
- AA battery tests
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