The TS835 Emergency Power supply features advanced Nanohosphate® lithium-ion cell chemistry to offer reduced weight, maintenance costs, and improved 10-year life expectancy over lead-acid batteries.
This TS835 emergency power supply (Alternate Part# TS835):
- 24.5 VDC at 20A output
- 4.5 amp-hour capacity
Features:
- Automatically provides 24.5 VDC power for critical or standby power
- 4.5 amp-hour Nanophosphate® lithium-ion battery
- Uses advanced NanoPhosphate® lithium-ion technology
- Maintains full charge by recharging during normal flight operations
- Lightweight — Only 4.8 lb
- Direct replacement for L-3 Avionics/JET PS-835 or PS-855 using the same rack mount and connector
- Two-year maintenance schedule
- 10-year life expectancy
- Part 23 AML STC certified
- Designed and built in Wichita, Kansas USA
Product Codes | |
|---|---|
| Mfr Part No: | MD835-1 |
Hazmat charges may apply
Weight: 4.8 lbDimensions: 3.1 x 12.7 x 2.4 inModel Number: TS835-1Capacity: 4.5 Ah, nominalInput Voltage: 24 VDC – 32 VDC at 7A, maximumOutput Power: 24.5 VDC at 20A, maximumProtection: Factory replaceable fuseMating Connectors: DPXB13-33S-0001 (MCI P/N 9016600-2 or 9016600-5)Rack Mount Installation: 1/4 ATR rack (MCI P/N 5120-107-C01)Optional Vent Kit: MCI P/N 9017983Remote Test Switch: Remote-mounted self-test switch required, MCI P/N 9017176 or equivalentCase: Anodized aluminum, blueCertification: 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
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: MD835-1
Aircraft Fitment Finder
Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
