I'd be tempted to try adding an in-line protection diode (1N4004?) on
general principles, but then the reduction in charge current might be too
much, so you're probably right.  //Jack

On 13 Nov 2003, at 15:56, Jay L Snyder wrote:

> The small solar charger I have (125 ma max) does not have a diode.  Too
> much loss across the diode?  All of the bigger ones I have seen do.  It
> pays not to buy the cheapest in this case.
>
>
>       Jay
>