> For me, the greatest charging differences between Lead-Acid and
> Lithium Ion are:
>
> 1) extremely accurate voltage required for Lithium-ion: end of charge
> voltage is either 4.10V or 4.20V, depending upon which anode the
> battery has. =A0L-A is happy with ball-park voltage levels, relatively sp=
eaking.

Taking 0.1V off the specified endpoint voltage for LiIon significantly
reduces capacity.
Taking 0.2V off, very much more so.
Also increases cycle life greatly.



                   Russell

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