• The emergency power supply automatically provides 24.5 VDC power for critical or standby equipment in the event of aircraft power failure
• 4.5 amp-hour advanced Nanophosphate® lithium ion battery with A123 cell chemistry
• Lightweight 4.8 lb. – 8 lb. less than legacy lead-acid designs
• Input voltage: 24–32 VDC
• Direct replacement for PS-835/PS-855 or forward-fit installations
• Minimal scheduled maintenance required:
• 2-year capacity check
• 10-year replacement life
• Dimensions (approx.): 3.1” H x 12.6” L x 2.3” W
• Mounts in standard 1/4 ATR rack
• Maintains full charge by recharging during normal flight operations
• Remote-mounted self-test switch required
• FAA TSO C179 certified
• Part 23 AML STC certified
• Qualified to RTCA/DO-160F and RTCA/DO-311
• Designed and manufactured in Wichita, Kansas, USA
• Two-year limited warranty

Capacity - 4.5 amp-hour battery nominal

Input - 24–32 VDC, 5.0 amps maximum

Output - 24.5 VDC nominal, 20 amps maximum

Weight - 4.8 lb. — 8 pounds lighter than legacy lead-acid designs

Dimensions - 3.1"H x 12.6"L x 2.3"W (approximate)

Life Expectancy - 10 years

Protection - Field-replaceable fuse

Mating Connector - DPXB13-33S-0001

Rack Mount Installation - 1/4 ATR rack

Self-test Switch - Remote-mounted self-test switch required

Case - Anodize aluminum, blue

Certification

FAA TSO C179 
Part 23 AML STC 
Qualified to RTCA/DO-160F and RTCA/DO-311