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Part #: 6430044-2

Model: TB44




Aviation Battery (26.4VDC, 46 Ah, Lithium)

Part Number :

  • The TB44 Advanced Lithium-ion Battery is engineered to deliver 50–90% less scheduled maintenance cost
  • 2-year maintenance intervals
  • Efficient engine starts and 2-3x longer useful battery life
  • TB44 is ideal for the turbine market, including fixed-wing, rotorcraft, and emergency power applications
  • 46 amp-hour battery nominal at 23°C/73.4°F
  • Weighs 51.7 lbs. — 40% lighter than lead-acid or nickel-cadmium alternatives
  • Advanced NanoPhosphate® lithium-ion cell chemistry — 3x the energy per kilogram when compared to lead-acid and nickel-cadmium cells
  • 7 engine starts in 7 minutes
  • 15 minutes for complete recharge when the battery is fully discharged on a typical aircraft
  • Superior performance at extremely high temperatures (up to 70°C/158°F)
  • Automatic internal heater
  • Overcharge, over-discharge, over-current, short circuit, over-temperature and under-temperature protection
  • Communicates ARINC 429 data to the cockpit
  • Higher voltage during engine start — Less wear, less maintenance and increased useful life
  • 2-year maintenance interval — 50 – 90% savings on maintenance costs
  • 8 years (average) useful life
  • Designed and built in Wichita, Kansas, USA
  • Two-year limited warranty
  • FAA TSO certified
Dimensions: 10.87” L x 10.48” W x 10.14” H Weight: 51.7 lbs.(23.5 kg)
charge voltage: 28 VDC nominal Output voltage: 26.4 VDC nominal
Output current: 750A continuous, 1500A max technology: Advanced NanoPhosphate lithium-ion cell chemistry
Protection : Overcharge, over-discharge, over-current, short circuit, over-temperature and under-temperature energy density:  52.0 WH/kg, 64.6 WH/liter
operating temperature: -40°C to 70°C (-40°F to 158°F) configuration: 8S19P; 1 parallel x 8 in series x 19
maintenance: 2-year maintenance interval; offers 50 – 90% savings on maintenance costs useful life: 8 years (average)
Case: Powder-coated steel, blue Certification: FAA TSO certified to C179a, ETSO certified to C179a, RTCA DO-311 qualified, RTCA DO-160G qualified, UNDOT/IATA qualified
Part Number: Description:
6430044-2 TB44 Advance Litium-ion  Aviation  Battery  (26.4VDC, 46 Ah)  


- Aviation Battery (26.4VDC, 46 Ah, Lithium)
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