Concorde Battery Sealed RG-209

The Concorde RG-209 is a 24 V sealed aircraft battery from Concorde Battery Corporation. Part of the RG® Series, it uses valve-regulated lead-acid (VRLA) construction with Absorbed Glass Mat (AGM) technology.

Designed by Concorde for helicopter and turbine aircraft battery applications, the RG-209 provides a rated capacity of 22 Ah at the one-hour rate. Its low-resistance AGM design supports engine-starting and onboard electrical-power requirements where the approved installation calls for this battery part number.

• Manufacturer part number: RG-209
• Nominal voltage: 24 V
• Rated capacity: 22 Ah (C1, one-hour rate)
• Battery type: sealed VRLA lead-acid, AGM
• Maximum weight: 22.7 kg
• Maintenance-free design: no electrolyte or water addition required
• Non-removable vent valves; supplied in an aluminium cover and container with side vent tubes

Installation and continued-airworthiness work should be performed in accordance with the applicable aircraft maintenance data and Concorde documentation. Relevant manufacturer documentation includes the RG Series Aircraft Battery Owner/Operator Manual, Storage and Boost Charge Recommendations, Safety Data Sheet, and CMM 5-0171 for the RG-209.