EarthX ETX680-24-TSO Lithium Aircraft Battery – 24 Volt

$999.00

Falcon Field Delivery/Pickup/SHIP

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The EarthX ETX680-24-TSO is a lightweight 24-volt FAA-approved lithium iron phosphate (LiFePO₄) aircraft battery designed as a replacement for approved 24V lead-acid or lithium aircraft battery installations. With a nominal battery voltage of 26.4V and a weight of only 7.2 lb, it provides substantial weight savings while delivering strong engine-starting performance for certified general aviation aircraft.

The ETX680-24-TSO incorporates EarthX’s integrated Battery Management System (BMS) and thermal runaway containment system. The battery operates automatically as part of the aircraft electrical system and includes a venting provision designed to route vapor or smoke outside the aircraft in the extremely unlikely event of a thermal runaway condition. Under normal operation, the battery produces no emissions.

Certified to FAA TSO-C179b, the ETX680-24-TSO is intended for use in approved installations and is available with aircraft-specific STC installation kits. An applicable STC or other approved installation basis is required for installation in a certified aircraft; EarthX installation kits are sold separately and are specific to the airframe.

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Features:

  • 24V lithium aircraft battery
  • 26.4V nominal battery voltage
  • Lithium iron phosphate (LiFePO₄) chemistry
  • FAA TSO-C179b approved
  • Integrated Battery Management System
  • Thermal runaway containment system
  • Venting provision for certified aircraft installations
  • 850A peak cranking power
  • 400A peak power at -18°C
  • Low self-discharge rate of less than 3% per month at 25°C
  • IP66 environmental protection rating
  • Maintenance-free design
  • Recommended service life of up to 6 years
  • Approximately 1-year shelf life without charging
  • Weighs only 7.2 lb

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Specifications:

  • Aircraft Electrical System: 24V
  • Nominal Battery Voltage: 26.4V
  • Capacity: 11.7 Ah at 1C rate
  • Peak Power: 850A at 23°C / 400A at -18°C
  • Rated Power: 500A at 23°C / 250A at -18°C
  • Maximum Continuous Discharge: 24A
  • Standard Charge Voltage: 27.6–28.8V
  • Recommended Charger/Maintainer: 5–15A
  • Maximum Aircraft Charging Current: 70A
  • Weight: 7.2 lb (3.27 kg)
  • Dimensions: 6.5″ L × 5.1″ W × 6.6″ H
  • Metric Dimensions: 166 × 129 × 168 mm
  • Case Size: U
  • Chemistry: LiFePO₄
  • Environmental Rating: IP66
  • Operating Temperature: -30°C to +60°C
  • Short-Term Operating Temperature: Up to +65°C for 30 minutes
  • Storage Temperature: -40°C to +70°C
  • Maximum Altitude: 25,000 ft
  • Recommended Life: 6 years
  • FAA Approval: TSO-C179b

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Installation Note: The ETX680-24-TSO battery alone does not constitute installation approval for a certified aircraft. An applicable EarthX STC installation kit or other approved installation basis is required. EarthX STC kits are aircraft-specific and should be selected according to the aircraft make, model, serial number, and existing battery installation.

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