Emergency Battery Power Supply

Part Number
MD835-5
Model Number
TS835
Manufacturer
Mid-Continent Instruments and Avionics
Technical Description
24.5 VDC, 4.5 Amp, Lithium-ion, 5 VDC output, TSO
Marketing Action Note
Replacement for PS855-XX series
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Product Description

Keep your critical and standby equipment running in the event of a power failure with the TS835 Emergency Power Supply from True Blue Power. The MD835-5 automatically provides 4.5 amp-hours of 24.5 VDC power for your most essential systems and provides 3.0 – 5.5 VDC adjustable lighting output. This Emergency Power Supply is also a direct replacement for the Jet PS835 Series.

Benefits and Specifications
Benefits
  • 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
  • Includes an integrated 5V output
  • 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-855 (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
Specifications

Capacity
4.5 amp-hour battery nominal

Input Voltage
24 – 32 VDC, 15 amps max

Output Power
24.5 VDC nominal, 20 amps max
3.0 – 5.5 VDC adjustable lighting output, 5.0 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

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TS835 Supplemental Type Certificates (STCs)

Select your aircraft manufacturer from the dropdown menu to view a list of applicable TS835 Emergency Power Supply STCs.

Manufacturer: Aero Vodochody

Aircraft TC Aircraft Model
A58CE Revision 3
  • Ae 270

Manufacturer: Dornier

Aircraft TC Aircraft Model
A16EU
  • 228-100/-101/-200/-201/-202/-212

Manufacturer: Embraer

Aircraft TC Aircraft Model
A59CE Revision 0
  • EMB-500
A21SO Revision 6
  • EMB-110P1
  • EMB110P2

Manufacturer: Learjet

Aircraft TC Aircraft Model
A5CE Revision 10
  • 23

Manufacturer: Pacific Aerospace

Aircraft TC Aircraft Model
A50CE Revision 3
  • 750XL

Manufacturer: Piaggio

Aircraft TC Aircraft Model
A59EU Revision 18
  • P-180

Manufacturer: Pilatus

Aircraft TC Aircraft Model
A78EU Revision 19
  • PC-12
A78EU Revision 21
  • PC-12/45
  • PC-12/47
  • PC-12/47E

Manufacturer: Piper

Aircraft TC Aircraft Model
A8EA Revision 24
  • PA-31T
  • PA-31T1
  • PA-31T2
  • PA-31T3
A23SO Revision 20
  • PA-42
  • PA-42-720
  • PA-42-1000
A32SO Revision 2
  • PA-42-720R

Manufacturer: RV17 Aerospace

Aircraft TC Aircraft Model
A5SW Revision 26
  • SA226-T
  • SA226-AT
  • SA227-AT
  • SA227-TT

Manufacturer: Socata

Aircraft TC Aircraft Model
A60EU Revision 18
  • TBM 700

Manufacturer: Textron Aviation (Beechcraft)

Aircraft TC Aircraft Model
3A20 Revision 69
  • C90
  • C90A
  • C90GT
  • B90
  • E90
  • H90
  • C90GTi
A24CE Revision 98
  • 200
  • 200C
  • 200CT
  • 200T
  • B200
  • B200C
  • B200CT
  • B200GT
  • B200CGT
  • B200T
  • 300
  • 300LW
  • B300
  • B300C
  • 1900C
  • 1900D
A14CE Revision 37
  • 99
  • 99A
  • A99
  • A99A
  • B99
  • C99
A00010WI Revision 8
  • 390
A24CE Revision 123
  • A200
  • A200CT

Manufacturer: Textron Aviation (Cessna)

Aircraft TC Aircraft Model
A28CE
  • 441
A7CE
  • 401
  • 402
  • 411
  • 414
  • 421
  • 425
A27CE Revision 17
  • 501
  • 551
A1WI Revision 17
  • 525
  • 525A
  • 525B
A00014Wl Revision 3
  • 510

Manufacturer: Textron Aviation Defense LLC

Aircraft TC Aircraft Model
A00009WI Revision 25
  • 3000

Manufacturer: Twin Commander

Aircraft TC Aircraft Model
2A4 Revision 47
  • 680
  • 680E
  • 680F
  • 680FL
  • 680T
  • 680V
  • 680W
  • 681
  • 690
  • 690A
  • 690B
  • 690C
  • 690D
  • 695
  • 695A
  • 695B

Manufacturer: Viking Air

Aircraft TC Aircraft Model
A9EA Revision 13
  • DHC-6-1/-100/-200/-300