Concorde’s recombinant gas (RG Series) valve regulated lead
acid absorbed glass mat (VRLA-AGM) battery design has been proven and adopted
by commercial airframe manufacturers and the military worldwide, including U.S.
and foreign air forces. The RG Series are certified as direct replacements,
Original Equipment on most models of aircraft, and have been granted TSO-C-173
RG-380E/44 is a polypropylene container with side vent
tubes. Powder coated aluminum cover with stainless hold down bar and two