With this TSO-C71 DC to DC Converter you can operate 12 Volt Radios, GPS's, and Electronic Devices in a 24 Volt Aircraft.

Physical Features
Size:  6.0"W x 5.0"D x 1.75"H
Weight: 1.5 lbs.   Color:  Gold Anodized 
Material:  Aluminum Extrusion

Specifications

• Input Voltage: 22-32 VDC
• Output Voltage: 13.8 VDC
• Efficiency: 89% (24 VDC @ Full Load)
• Regulation: Line-Load = .03 VDC
• Ripple: .005 Volts at 400hz
• Altitude: 50,000 Ft.
• Over Current : 110-140% > 5A Auto Recovery
• Terminal Block: (5) Phillips Pan Head Screws
• MTBF: 100,000 Hrs./According to Mil HBK 217F
• Output Current: 10 A, 12 A Peak at 13.8 VDC
• Temperature: -55C to (+) 70C
• TSO Category: Category A