Realizing an old post, however, , i have charging issues.. purchased 01/24.. charging seemed ok for awhile.... now just blinks bulk....,,, and no charge.. recall of mppt's........ in progress.... im blaming the batteries.. reading of updates.... HELP... Sig Sol has been very little help so far..,,, and i need it.. please respond when you can.. only i can charge is through inverters on a gen..