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MD835-1

Model #: TS835

Emergency Power Supply

24.5 VDC, 4.5 Amp, Lithium-ion, TSO

Manufactured by Mid-Continent Instruments and Avionics for True Blue Power

Replacement for PS835-XX series

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  • 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 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 (same rack mount and connector)
  • Two-year maintenance schedule
  • 8-year (average) life expectancy
  • Designed and built in Wichita, Kansas USA
  • Five-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
8 years (average)

Protection
Factory replaceable fuse

Mating Connector
DPXB13-33S-0001

Rack Mount Installation
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
MD835-1 Installation Manual
MD835-1 Technical Drawing
Safety Data Sheet
Advanced Lithium-ion Battery Support Guide*

AML
TS835 AML

Service Bulletins
MD835-01

*In order to view embedded attachments, please download this PDF and open it using Adobe Acrobat Reader or another PDF reader.

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