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Manual
Continued Airworthiness
Revision Log
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Copyright© 2025 EarthX, Inc. All rights reserved. The information contained in this document is the property of EarthX, Inc.
EarthX reserves the right to make changes to its documents or products without notice. It is the responsibility of each user to
ensure that all applications of EarthX's products are used as intended and safe based on conditions anticipated or encountered
during use. The EarthX logo is a trademark of EarthX, Inc
ETX1200-24-TSO
wi t h
Description
Initial Release
Instructions for
Date
5/1/2025
230408
Approved By:
R.Nicoson
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Table of Contents
Related Manuals for EarthX ETX1200-24-TSO
Summary of Contents for EarthX ETX1200-24-TSO
- Page 1 Copyright© 2025 EarthX, Inc. All rights reserved. The information contained in this document is the property of EarthX, Inc. EarthX reserves the right to make changes to its documents or products without notice. It is the responsibility of each user to ensure that all applications of EarthX’s products are used as intended and safe based on conditions anticipated or encountered...
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Page 2: Table Of Contents
E T X 1 2 0 0 - 2 4 - T S O L I T H I U M B A T T E R Y Table of Contents Revision Log ..................i Table of Contents ................1 Airworthiness Limitations .............. -
Page 3: Airworthiness Limitations
E T X 1 2 0 0 - 2 4 - T S O L I T H I U M B A T T E R Y Airworthiness Limitations The Airworthiness Limitations section is FAA approved and specifies maintenance required under Secs. 43.16 and 91.403 of Title 14 of the Code of Federal Regulations unless an alternative program has been FAA approved. -
Page 4: Introduction
Introduction This manual covers the inspection, maintenance (charging) and replacement aspects for the ETX1200-24-TSO battery installed on 14 CFR Part 23 aircraft. Installation of the rechargeable lithium battery defined herein meets the guidance of AC 20-184. In accordance with Federal Aviation Administration (FAA) Advisory Circular (AC) 23.1309-1E and FAA Technical Standard... -
Page 5: Description
B A T T E R Y Description EarthX Lithium batteries are a maintenance free replacement for lead-acid or lithium batteries. The battery operation is automatic (no operator control). The battery is part of the main aircraft electrical system with the alternator (charging system) being the primary power source and the battery being the secondary power source;... -
Page 6: Battery Reinstallation
E T X 1 2 0 0 - 2 4 - T S O L I T H I U M B A T T E R Y 4. Remove the battery negative (black) cable. 5. Disconnect the battery fault/status monitoring plug. 6. - Page 7 E T X 1 2 0 0 - 2 4 - T S O L I T H I U M B A T T E R Y Firewall Forward Battery Vent Installation Example 4. If replacing the tube that exits the belly of the aircraft, leave at least 1” exposed on the outside of the aircraft and secure in place with RTV silicon.
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Page 8: Fault/Status Indicator Led Bulb Or Fuse Replacement
To replace the fuse, push the ends of the fuse holder together and ¼ turn counterclockwise to open the fuse housing, then replace with a new fuse (¼ x 1 ¼”, 1-amp, fast blow fuse). Fault/Status Indicator Replacement The installation or replacement of the EarthX Fault/Status LED Indicator (part# 11MM24) is detailed below. Fault / Status Indicator 1. -
Page 9: Return To Service Checks (Tests)
E T X 1 2 0 0 - 2 4 - T S O L I T H I U M B A T T E R Y 10. Behind the instrument panel, route the red wire (with inline fuse) to an instrument circuit breaker;... -
Page 10: Battery Inspection Intervals
E T X 1 2 0 0 - 2 4 - T S O L I T H I U M B A T T E R Y Battery Inspection Intervals Battery: Upon installation, record the next battery inspection due date based on the battery age as follows: •... -
Page 11: Aircraft Charging System Inspection Instructions
• Will not hold a charge (<26.4 volts a week after charging the battery to full charge) At battery end-of-life contact EarthX. The only approved replacement lithium battery is an EarthX battery of the same model number. The model number is displayed on the top label of the battery. -
Page 12: Battery Charging
(greater than 6 months). Only use a Lithium Iron Phosphate (LiFePO4) charger or other compatible chargers listed on EarthX website https://earthxbatteries.com/ If the battery has been over-discharged and “disconnected” (meaning automatic electronic disconnect commanded by the Battery Management System), the voltage at the battery terminal should be near zero volts if the battery still has a load on it. -
Page 13: Troubleshooting
B A T T E R Y next (step 2) plug the charger power cord into AC outlet (or press the reset button on the charger). The charger should startup and go into the “Save” charging mode. If not contact EarthX technical support. -
Page 14: Battery Storage And Handling
E T X 1 2 0 0 - 2 4 - T S O L I T H I U M B A T T E R Y Verify aircraft charging system is Over-charging (due to Slow Flashing Greater than functioning properly;... -
Page 15: Weight And Balance
( https://www.call2recycle.org/ Do not incinerate or expose to open flames! The Safety Data Sheet (SDS) is available on EarthX’s website. Always follow the manufacturers’ recommended safety precautions and procedures. Weight and Balance The installation of the battery is considered a permanent installation. The basic aircraft weight and balance should be updated inclusive of the added equipment when the installation is completed and documented on the aircraft Weight and Balance Record (WBR). - Page 16 E T X 1 2 0 0 - 2 4 - T S O L I T H I U M B A T T E R Y • UN 38.3, – United Nations ST/SG/AC.10/11/Rev.6, Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, Section 38.3, Lithium Metal and Lithium-Ion Batteries.
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