this is a good web page for information on battery types and maintenance. http://www.batteriesnorthwest.com/batteryschool.cfm?TID=2#ANC2 Ralph KE5HDF -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.qth.net/pipermail/ofarc/attachments/20140816/3491d11d/attachment-0001.html>