ion Master Dwg. Number 12 for Model RG-380E144 Lead acid batteries. Rev A dated August 28 2000. Permanently removed the following equipment: 2 ea. Saft Nickel-Cadmium Main Battery, Model 4076-11 Installed the following new equipment: 2 ea. Concorde sealed lead-acid Battery, Model RG-380E-44 No Weight and Balance change requi