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| Ev Archive for January 2002 |
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| 1762 messages, last added Wed Jan 30 10:47:16 2002 |
[Date Index][Thread Index]
Re: Battery Cycle Life/Cost/8V esp.
On 28 Jan 2002 at 19:20, Rod Hower wrote:
> I would also like to see something like this for
> SAFT NiCd's.
What I have at hand is capacity vs. cycles for 80% DOD. It's here:
http://www2.ald.net/~roden/ev/images/saft_cyc.jpg
This graph is for the STM5-100s, nominally rated for 100ah. It shows
capacity peaking at ~120ah at 500 cycles, and declining to 100ah at 2,500
cycles. The test was stopped at about 3,100 cycles, at which time capacity
was about 85ah.
I know this isn't exactly the information you're looking for. I'll scout around
again later tonight and see if I can find anything else that might apply.
David Roden
Akron OH USA
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