Simon Nield wrote:
>
> bob b:
> >> And remember that nimh lose 10% of their charge per day on average.
>
> roman:
> >Is this really true?
>
> it is apparently a topic of hot debate. i had heard (see link below) that NiMH self discharge is
> only about twice that of NiCd, and more like 2% per day in typical conditions.
>
> http://www.cliffshade.com/dpfwiw/batteries.htm
>
> if you are the type to want something closer to fact than opinion then check out this graph to see
> how self discharge varies with temperature:
> http://www.duracell.com/OEM/Rechargeable/Nickel/selfdis.html
>
> and this one to see how NiMH stacks up against NiCd:
> http://www.bti.ca/selfdis.htm
>
> [google search: http://www.google.com/search?q=nimh+self+discharge ]
>
> so how occasionally do you use them ?
>
> could be that a trickle charger would suit your application - negligable memory effect with NiMH (
> unlike NiCd):
> http://www.duracell.com/OEM/Rechargeable/Nickel/voltdep.html
>
> and they are kinder to the environment, which can't be a bad thing.



Thanks for the info and the good links!
:o)
-Roman

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