







The TT28 battery charges and maintains sealed lead-acid and all True Blue Power lithium-ion batteries. It features an alphanumeric LCD display that provides battery voltage and indications, charge/ready and fault LED indicators, and continuously monitors and charges to ensure the battery is in a quick-ready state whenever battery power is needed.
- MS-3509 compatible connector
- Charges and maintains sealed lead-acid and all True Blue Power lithium-ion aircraft batteries:
TB17 (17 amp-hour)
TB40 (40 amp-hour)
TB20 (20 amp-hour)
TB44 (46 amp-hour)
TB30 (30 amp-hour)
TB60 (60 amp-hour) - Power Output: 2.5 amps charge current limit
- Alphanumeric LCD display provides battery voltage and indications
- Charge, Ready and Fault LED indicators
- Continuously monitors and charges to maintain a quick-ready state
Product Codes | |
|---|---|
| Mfr Part No: | 282-101 |
Weight: 1.1 lb (0.5 kg)Dimensions: 4.5 x 4.5 x 2.5 inInput Voltage: 90 VAC — 264 VAC ±10% 47 Hz – 63 HZ 1A, maximumInput Connector: IEC60320-C13Battery Charge Voltage: Lithium-ion: 28.8V, maximum Lead-acid: 28.6V, maximumTemperature: -20°C to 50°C (-4°F to 122°F), operating -28°C to 70°C (-18°F to 158°F), storageTiming Accuracy: ±5% of normal timeDisplay Accuracy: ±0.2 voltsBattery Connector: Ring TerminalProtection and Monitoring: over-charge and over-temperature protection internal timer automatically monitors open-circuit voltage to determine top charge
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: 282-101
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.