
TS835 Series
Emergency Power Supply
The TS835 Series Emergency Power Supply features an advanced Nanophosphate® lithium-ion cell chemistry that offers distinct advantages over older, lead-acid designs. This includes a 63% weight savings, reduced maintenance costs and an improved 10-year life expectancy.
![]() Pilatus — PC-12 | ![]() VVIP Flight — Boeing 747-800 | ![]() Leonardo — AW169 |
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![]() Cessna — Citation 525 | ![]() Airbus Helicopter — EC145T2 |
FEATURES
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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
-
The TS835-5 includes an integrated 3.0 – 5.5 VDC
adjustable output -
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)
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Two-year maintenance schedule
-
10-year life expectancy
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Designed and built in Wichita, Kansas USA
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Two-year limited warranty
SPECIFICATIONS
TS835-1
MD835-1
4.5 amp-hour battery nominal
24 – 32 VDC, 7.0 amps max
24.5 VDC nominal, 20 amps max
4.8 lbs — 8 pounds lighter than legacy lead-acid designs
3.1” H x 12.7” L x 2.4” W (approximate)
10 years
Factory replaceable fuse
DPXB13-33S-0001 (MCI P/N 9016600-2
or 9016600-5)
1/4 ATR rack (MCI P/N 5120-107-C01)
MCI P/N 9017983
Remote-mounted self-test switch required
MCI P/N 9017176 or equivalent
Anodized aluminum, blue
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
Model Number
Part Number
Capacity
Input Voltage
Output Power
Weight
Dimensions
Life Expectancy
Protection
Mating Connector
Rack Mount Installation
Optional Vent Kit
Remote Test Switch
Case
Certification
TS835-5
MD835-5
4.5 amp-hour battery nominal
24 – 32 VDC, 7.0 amps max
24.5 VDC nominal, 20 amps max
3.0 – 5.5 VDC adjustable
lighting output, 5.0 amps max
4.8 lbs — 8 pounds lighter than legacy lead-acid designs
3.1” H x 12.7” L x 2.4” W (approximate)
10 years
Factory replaceable fuse
DPXB13-33S-0001 (MCI P/N 9016600-2
or 9016600-5)
1/4 ATR rack (MCI P/N 5120-107-C01)
MCI P/N 9017983
Remote-mounted self-test switch required
MCI P/N 9017176 or equivalent
Anodized aluminum, blue
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