Matt Bonner wrote:

> Craig Lee wrote:
> >
> > So we are trying to enter a BEAST into the Southern Alberta
> > Robot Games competition in Calgary (in two weeks).
> >
> > Well I have a couple of big 6V gel cells, but they won't seem
> > to charge.  I bought them a few years ago from Princess Auto,
> > and never tested them.
> >
> > Is there a way to revive them?
> > Does the gel crystalize?
> >
> Whoops - pressed "send" to fast on the previous reply.  We've fixed
> "Gates" gel cells in the past - set your power supply to double the cell
> voltage and current limit it to 4 or 5 times the normal charge rate.
> Zap them for a few seconds and then attempt to charge normally.  It
> doesn't work all the time and I'm not sure if you'll get full the
> capacity back.

They should have 10 year guarantees, so maybe you can swop
them for new ones.

--
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