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Subject: Re: battery charger

Date: 05/10/00 at 11:01 AM
Posted by: toysl
E-mail: yslee@wmsc.com.my
Message Posted:

In Reply to: Re: battery charger posted by Pete Gent on 05/08/00 at 5:16 AM:

Hi Pete,

I have seen a series of articles and circuits published by Australia Electronics (or Electronics Australia), in their 1992 or 1993 issues (not very sure about the exact issues, would check for you if you don't need the info urgently).

Basically, what they do is to charge the battery with a non-symmatrical waveform, i.e. the voltage waveform has a longer and higher positive cycle (to charage up the battery), and shorter and lower amplitude negative cycle (to discharge the battery for a briefly period of time).

Again, I can't recall the exact contents of the articles... please pardon me.

Also, I haven't tried the circuit myself... and yes, I have little experience with these battery stuff. I would prefer to follow John's advice, and would only try it for the sake of curiousity.


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