2-inch
Digital Instruments
Digital Battery ACU
This digital Annunciation Control Unit monitors and displays True Blue Power® Gen5 Lithium-ion Battery parameters. It features smooth, high-resolution graphics and provides status, state of charge, state of health, volts, amps, temperature, remaining life and fault data.
Night Vision Imaging System (NVIS) compatible versions are available.
Benefits and Specifications
Clock | Local Time and Flight Timer (available) |
Size | Fits standard 2-inch panel cutout |
Battery | Rechargeable, field-replaceable emergency battery (available) |
Lightweight | Weighs just 0.4 lbs |
Simple user interface | Single, push-and-turn control knob |
Display | Daylight readable LCD and smooth, high-resolution graphics |
Lighting | Manual, external lighting control or built-in photocell for automatic dimming |
Night Vision Imaging System (NVIS) | NVIS compatible units (available) |
Software | Field-upgradeable software via standard USB-A port |
Certified | TSO-certified hardware and software (Design Assurance Level A) |
Made in the USA | Designed and built in Wichita, Kansas, USA |
Warranty | Two-year limited warranty |
Power Input | 10–32 VDC 0.14A @ 28 VDC; 4 watts nominal |
Data Input | ARINC 429 |
Data Output | ARINC 429 |
Battery | Rechargeable coin cell (memory only)
Rechargeable, field-replaceable emergency battery supply (available) P/N 6430006-(1) Technology: Nickel-Metal Hydride (NiMH) Attributes: 0.25A @ 24 VDC nominal (6 Wh capacity) Runtime: 60 minutes @ 0.25A |
Weight | 0.4 lbs (0.17 kg) |
Mounting | Rear panel mounted, (4) #6–32 screws, 2.25-inch round bezel |
Dimensions | 2.43 x 2.43 x 1.0 inches (61.7 x 61.7 x 25.4 millimeters) |
Mating Connector | P/N 9019162-1: 26-pin, D-Sub electrical connector (Quick Disconnect) |
Certification | FAA TSO certified to C2d, C106, C113b RTCA DO-160G qualified RTCA DO-178C qualified, Design Assurance Level (DAL) A |
Rights | U.S. Patent 11,048,389 |
MD23-104 Resources
Technical Documents
Service Notifications
Looking for more digital instruments?
Model # MD23
2-inch Digital Attitude Indicator
Model # MD23
2-inch Digital Airspeed Indicator
Model # MD23
2-inch Digital Counter Drum Encoding Altimeter
Model # MD23
2-inch Digital GPS Clock
Flex® Custom Function Displays
Your custom display in half the time, at half the cost