The RG-121-2
Aircraft Battery
From Concorde
Battery Corporation

RG-121-2 Part of the Concorde Platinum Series of Aircraft Batteries
Outline Drawings (PDF)
Does this Battery fit in My Airplane?
FAA/PMA Battery Certification Info


RG-121-2 Platinum Series Aircraft Battery Specifications:
Primary Aircraft Purpose Emergency Aircraft Battery
Voltage 24v
Rated Capacity C1 = 1 hr.
rate in ampere hours
2.00
Max Weight 6.40 lb / 2.9 kg

Concorde Aircraft Battery

Concorde Battery
Part Number
Ipp Ipr Ipp Ipr Ipp Ipr
23°C
(74°F)
-18°C
(0°F)
-30°C
(-22°F)
AA AA AA
RG-121-2
Not Rated for Engine Starting


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Outline Drawings (PDF)
Does this Battery fit in My Airplane?
FAA/PMA Battery Certification Info
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Concorde Aircraft Batteries
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Description of Aircraft Battery:


Test Temperature @ 23°C (74°F) = C1 is 2.0 Ah;

Test Temperature @ -18°C (0°F) = C1 is 1.5 Ah;

Test Temperature @ -30°C (-22°F) = C1 is 1.0 Ah

Internal DC Heater

This Concorde Battery is TSO Approved under FAA TSO C173 Aircraft Batteries. TSO Approved authorizes Concorde Battery to produce a part to a Technical Standard Order. TSO Approved is both design and production approval of the battery.


Avionics Battery for lighting, standby, emergency power. Protects and extends the life of other avionics. Concorde Emergency Batteries float directly on the DC buss with no need for a dedicated charger. This results in a high inrush current which extends battery life with fast recovery time from discharge. With the battery floating directly on the buss, transient spikes in the DC power are absorbed. These batteries are self regulating on charge and will take only the current required to maintain it at full charge.


Recombinant Gas - The RG® Series are low resistance, valve regulated lead acid (VRLA) batteries.
  • Maintenance free
  • Constructed with non removable vent valves - no addition of electrolyte or water required
  • Aerobatic: Non spillable at any altitude or attitude
  • Factory tested to assure airworthiness
  • Shipped fully charged and ready to install
  • Manufactured with proprietary PolyGuard separators, a process unique to Concorde, wrapped around the plates and Absorbed Glass Mat(AGM)for extended life
  • RG® Series batteries ship Hazmat Exempt


  • Specifications subject to change without notice.