> http://www.navstore.com/detail.aspx?ID=1712 > > Jack > > p.s. - I'm agnostic on the "de-sulfation" feature; 6 months in, things > are copacetic... Have a look at the Zapper-Desulphator constructional article here www.dropboks.com Email - cyber_store_01@hotmail.com Password - picture_share 11 files, 2.45MB total They admit that there is uncertainty about battery rejuvenation (and that it's unsuitable for SLA) but do say that some people report an improvement in capacity I've a neighbour who's interested in solar storage and I thought this would be helpful for him. It's not a particularly expensive unit to build but I've no pressing need to make one for myself to try and he's done nothing yet Now, much to my embarassment, I've looked up an earlier issue of Silicon Chip and found a, gulp, whoops, PIC-based SLA charger. Also now uploaded to dropboks (10 files, 2.18MB total). The s/w should be available at Silicon Chip's download page, April 2008 -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist