ISO 9001:2015 and AS9100D Certified
Serving the Aviation Industry since 1973
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CH93MAX Digital Clock/High Power USB Charger
(DAI Part# 6420093-5)
CHRONOS Digital Clock / MAX Power USB Charger

  • 2" Digital
  • Local Time, UTC/Zulu Time, Flight Timer, Countdown Timer, Stopwatch
  • Volts, OAT, Secondary Air Temp
  • Dual USB-A/USB-C PD, 75 W/6A out, 22-32 VDC

  • Six-digit, seven-segment LED clock
  • Eight modes: Local Time, UTC / Zulu Time, Flight Timer, Countdown Timer, Stopwatch, Volts, OAT and Secondary Air Temp
  • Clock settings include 12- or 24-hour mode and seconds On or Off
  • External lighting control and built-in photocell for automatic dimming
  • Internal, field-replaceable battery maintains time and Flight Timer memory, without aircraft power
  • Compact, 2-inch size fits standard panel cutout
  • 75 watts / 6 amps USB power
  • Compatible with Apple, Android and other USB devices
  • Protects itself and the charging device from short circuit, power surges and over-current potential
  • Designed and built in Wichita, Kansas, USA
  • 2-year limited warranty
Power Input 22-32 VDC, 84 watts max
3.0A @ 28VDC
Power Output 5 - 20 VDC; 75 W, 6.0A
Clock Accuracy ±0.5 seconds in 24 hours, ±3 minutes per year
Weight 5.0 oz (0.3 lbs)
Temperature -40°C to 70°C(-40°F to 158°F)
Altitude 55,000 feet
Mounting Rear-panel mounted, (4) #6 screws
Dimensions 2.39 x 2.39 x 1.22 inches max
Connector Kit MCIA P/N 8017287
USB Interface Dual USB-A/USB-C PD
Case Anodized aluminum black
Certification FAA TSO certified to C71
EASA ETSO certified to C71
RTCA DO-160G qualified