Concorde Battery Sealed RG-121-1

The Concorde RG-121-1 is a Platinum Series sealed emergency/standby aircraft battery for 24 V electrical systems. Its valve-regulated recombinant-gas (RG) lead-acid design uses absorbed glass mat (AGM) technology and is maintenance-free, with no electrolyte or water addition required.

Designed for emergency and standby electrical-power duties, the RG-121-1 has a 2 Ah rated capacity at the C1 (one-hour) rate. Concorde states that this battery is not rated for engine starting.

• Manufacturer part number: RG-121-1
• Nominal voltage: 24 V
• Rated capacity: 2 Ah at C1 rate
• Battery type: Sealed valve-regulated lead-acid (VRLA), AGM
• Series: Concorde Platinum Series
• Maximum weight: 2.9 kg
• Approximate dimensions (L × W × H): 178 × 111 × 83 mm
• FAA TSO-C173 authorised

For installation, continuing-airworthiness and servicing requirements, consult the applicable approved aircraft data and Concorde Component Maintenance Manual CMM 5-0167. FAA TSO authorisation is stated by the manufacturer; no EASA approval claim is made in this description.