True Blue Power TB14 Lithium-Ion Battery

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Cut your aircraft battery weight and increase your useful load. The TB14 is designed for smaller, 28-volt fixed wing aircraft. Youll gain faster and cooler engine starts and benefit from superior performance in extreme temperatures (-20C to +70C). The TB14 features built-in charge current limiting to protect your aircraft's alternator or generator without needing to install additional equipment and delivers cockpit communication via RS-232 (analog and discrete signals). This lithium-ion aircraft battery is TSO certified, lasts 8 years and features on-condition maintenance, saving you time and money.


  • Capacity: 13 amp-hour nominal at 23C/73.4F
  • Charge Voltage: 28.8 VDC nominal
  • Output Voltage: 26.4 VDC nominal
  • Output Current: 100 A continuous, 850 A max
  • Technology: Advanced iron phosphate lithium-ion cell chemistry
  • Protection: Overcharge, over-discharge, over-current, short circuit, over-temperature, under-temperature and charge current limiting
  • Energy Density: 76 Wh/kg 121 Wh/liter
  • Operating Temperature: -20C to +70C (-4F to +158F)
  • Weight: 10 lbs. (4.54 kg)
  • Dimensions: 6.3 L x 5.6 W x 4.9 H
  • Configuration: 2P8S; 2 parallel cells x 8 series cells
  • Maintenance: On-condition
  • Battery Life Expectancy: 8 years (average)
  • Case: Anodized aluminum, blue
  • Certification: FAA TSO C179b (Class A-4B), RTCA DO-311A, RTCA DO-160G, RTCA DO-178C DAL A, UNDOT/IATA


  • Delivers more power per pound than any other aircraft battery
  • 13 amp-hour nominal at 23C/73.4F
  • Weighs 10 lbs. (4.54 kg)
  • Advanced iron phosphate lithium-ion cell chemistry
  • Higher voltage during engine start Less wear, less maintenance and increased useful life
  • 35 minutes (at 28 amps average) for complete recharge when the battery is fully discharged
  • Superior high-temperature and cold-weather performance from -20C to +70C (-4F to +158F)
  • Overcharge, over-discharge, over-current, short circuit, over-temperature, under-temperature and charge current limiting protection
  • Communicates battery status to the cockpit via RS-232, analog and discrete signals
  • On-condition
  • 8 years (average) life expectancy
  • Designed and built in Wichita, Kansas, USA
  • FAA TSO Certified
  • Two-year limited warranty



Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.