
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
AI disclosure: this description was generated with AI assistance from this product's own listing data.
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
- Manufacturer Part #: MD835-1
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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 only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- 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
We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed 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.