Concorde recombinant gas (RG Series) valve regulated lead acid (VRLA) batteries for engine starting, emergency / essential power, and standby power applications are constructed with cutting edge Absorbed Glass Mat (AGM) technology. Concorde VRLA-AGM batteries are well known for quality and their ability to perform reliably in hot & cold climates with superior engine starting performance and excellent charge acceptance.Superior starting powerReliable essential power in the event of a generator failureLow impedance designMaintenance free - no addition of electrolyte or water requiredAerobatic: Non spillable at any altitude or attitudeFactory tested to assure airworthinessShipped fully charged and ready to installManufactured with absorbed glass mat separators (AGM)Fire resistant powder coated aluminum container and cover with stainless hold down barSide vent tubes, temperature sensor mounting padConcorde aircraft batteries rated for engine starting may be used for emergency powerRG Series batteries ship HAZMAT EXEMPT RG-380E/40L is housed in a fire resistant aluminum powder coated container with polypropylene side vent tubes and a temp sensor mounting pad. See BATTERY ACCESSORIES page for Concorde Temperature Sensors. Cover of powder coated aluminum with stainless hold down bar and fabric lifting straps.