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Part# 11-11704
MFR Model# RG-325


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 power
  • Reliable essential power in the event of a generator failure
  • Low impedance design
  • Maintenance free AGM Battery
  • Constructed with non removable vent valves - no addition of electrolyte or water required, ever
  • Aerobatic: Non spillable at any altitude or attitude
  • Factory tested to assure airworthiness
  • Aircraft batteries rated for engine starting may be used for emergency power
RG-325 is housed in a polypropylene container with lifting rope attached to the molded polypropylene cover. M8 silicon bronze alloy terminals for corrosion free connections and maximum conductivity.


  • Primary Aircraft Purpose: Turbine Starting Aircraft Battery
  • Voltage: 24v
  • Rated Capacity C1 = 1 hr. rate in ampere hours: 25.00
  • Max Weight: 52.00 lb / 23.6 kg
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Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What is the CCA of the Concorde RG-325 battery?

This battery is not rated in cold cranking amps but instead in an IPP/IPR rating.
74 Degrees F | IPP = 1000 amps | IPR = 650 amps
0 Degrees F | IPP = 750 amps | IPR = 600 amps
-22 Degrees F | IPP = 550 amps | IPR = 450 amps

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