Concorde Battery Sealed RG-390E/KH

The Concorde Battery RG-390E/KH is a 24 V Platinum Series® turbine-starting aircraft battery component manufactured by Concorde Battery Corporation. It uses sealed valve-regulated lead-acid (VRSLA) construction with absorbed glass mat (AGM) technology and is designed for engine-starting and essential-power applications.

• Manufacturer part number: RG-390E/KH
• Nominal voltage: 24 V
• Rated capacity: 28 Ah at the C1 rate
• Maximum weight: 28.1 kg
• Approximate overall dimensions: 248 x 267 x 227 mm
• Integrated internal heating provisions: 115 VAC and 28.25 VDC
• KH version with fire-resistant 5052 aluminium external container
• Side ventilation louvers and two lifting straps

The sealed construction has non-removable vent valves and does not require electrolyte or water addition. Concorde specifies a compatible Heater Control Unit (HCU) to constitute a complete battery assembly; confirm the required HCU and installation configuration against the applicable approved maintenance data before purchase or installation.

Relevant manufacturer documentation includes the RG-390E/KH outline drawing and Concorde battery maintenance documentation.