timmmay:
Thinking about regular conditioning, is there a charger that can do car batteries and the 33SLA batteries I have for emergency backup? They just sit in the shed, I have no charger for them.
I use one of these
http://smartercharger.com/products/batterychargers/ctek-multi-us-4-3/
will work on Lead Acid Batteries, 1.2 - 110 Ah, up to 160 Ah for maintenance