alt.energy.renewable

The "zapping" technique and the freezing technique only works for a
few cycles.

NiCad last for a certain number of cycles, certain number of months or
one long overcharge, even at the mfg. recommended currents. There
really is no set formula.


"Vaughn Simon" wrote in message
news: $ @ ...
>
> "sspence@ " wrote in message
> news: @ ...
>>
>> I have hundreds of cycles on my energizer and Radio Shack NiMH aa
>> and
>> AAA batteries. No failures as of yet.
>
> Where I work we have hundreds of portable radio and laptop
> batteries in use. I don't know how many cycles we get, but I can
> tell you that most batteries are brought in for replacement after
> two or three years of regular use. By that time, they have
> typically far less than 50% of their original capacity.
>
> BTW: I have tried various "magic" machines to bring bad NICADS
> and NIMH batteries back to life, but have finally decided that a bad
> battery is just that, a bad battery. When you have a bad battery,
> the only sure cure is to replace it with new.
>
> Vaughn
>