My problem i faced was with the laser mouse 7000. it has only a single
NiMH AAA. Every time i would go to charge it, after 10-30 seconds it
would start blinking red. I eventually used it to the point of needing a
critical charge and still had this problem. Working with NiMH high cap
batteries in the past gave me a simple idea, do a high amp discharge on
the battery for a short time. (connect a wire to each electrode or use a
resistor) This fixed my problem (I had tried the checking the battery
contacts, etc). I imagine what the problem was is known as a false peak
where the battery when applied current to charge false peaks for a short
period of time before or during the charge. Cheap chargers cannot handle
this and a possible solution can be to (near) fully discharge the
battery to level out its voltage.
**Do not leave it to discharge TOO long, you can reverse the polarity
of the cell**
--
warlord
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