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Part #:

Model: TS835




Emergency Power Supply

Part Number :

MD835 Series Emergency Power Supply
  • Emergency Power Supply
  • 24.5 VDC, 4.5 Amp, Lithium, TSO
  • Manufactured by Mid-Continent Instruments & Avionics for True Blue Power
  • Automatically provides 24.5 VDC power for critical or standby equipment in the event of aircraft power failure
  • 4.5 amp-hour Nanophosphate® lithium-ion battery
  • Utilizes A123 Systems’ advanced Nanophosphate® lithium-ion technology — an energy storage solution with superior safety and abuse tolerance compared to metal oxide lithium-ion chemistries
  • Maintains full charge by recharging during normal flight operations
  • Lightweight — 63% lighter than legacy lead-acid designs
  • Direct replacement for L-3 Avionics/JET PS-835 or PS-855 (same rack mount and connector)
  • Two-year maintenance schedule
  • 10-year life expectancy
  • Designed and built in Wichita, Kansas USA
  • Two-year limited warranty


Capacity: 4.5 amp-hour battery nominal input voltage: 24 – 32 VDC, 15 amps max
output power: 24.5 VDC nominal, 20 amps max weight: 4.8 lbs — 8 pounds lighter than legacy lead-acid designs
dimensions: 3.1” H x 12.7” L x 2.4” W (approximate) Life expectancy: 10 years
protection: Factory replaceable fuse mating connector: DPXB13-33S-0001
rack mount install: 1/4 ATR rack optional vent kit: MCI P/N 9017983
remote test switch: Remote-mounted self-test switch required, MCI P/N 9017176 or equivalent case: Anodized aluminum, blue
certification: FAA TSO C179a certified, EASA ETSO C179a certified, ANAC TSO C179a certified, Part 23 AML STC certified, RTCA/DO-160F qualified, RTCA/DO-311 qualified
Part Number emergency power supply Description:
md835-1 see description above
md835-5 includes integrated 3.0-5.5 VDC adjustable output


FAA TSO C179a certified EASA ETSO C179a certified ANAC TSO C179a certified Part 23 AML STC certified RTCA/DO-160F qualified RTCA/DO-311 qualified
- Emergency Power Supply

NSN: 6130-01-665-4173

Price Condition Status
- Emergency Power Supply
Price Condition Status

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