Perry,
That is useful information. IIRC Concorde used to endorse use of the SCC-015-AA-S2, so I was surprised when you posted that they no longer do. I must admit that I did not reread the current Concorde info before my post#18.
FWIW my 3 year old Concorde continues to perform well, having been maintained on the BatteryMinder 15W solar charger for the past 2 years. The last capacity check May 2012 was unchanged from the previous year. It is really nice to have the battery topped off any time I go out to the plane.
While the S5 charger is probably the way to go if you have electric service, my understanding is that you don't. If your only choice is solar, I don't think you would be disappointed with the SCC-015-AA-S2.
Jim Berry
RV-10
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