EarthX Lithium Battery Experimental Aircraft 24V/7.8 AH Case E ETX400-24-VNT

The EarthX ETX400-24-VNT is a 24 V-class lithium iron phosphate (LiFePO4) deep-cycle backup aircraft battery for experimental aircraft applications. It provides 7.8 Ah capacity at a 1C rate and is supplied in the EarthX E-case format.

An integrated battery management system provides protection against over-discharge, over-charge, short circuit and temperature conditions, while also balancing the cells. The ETX Hundred Series design includes redundant electronic circuits and a battery fault-indication connection that may be used with a compatible EFIS or a 24 V panel LED, in accordance with the EarthX manual.

• Manufacturer part number: ETX400-24-VNT
• Nominal battery voltage: 26.4 V
• Capacity: 7.8 Ah at 1C rate
• Cold cranking amps: 290 CCA
• Peak cranking amps: 400 PCA
• Maximum continuous discharge: 40 A
• Case size: E
• Dimensions: 166 × 77 × 168 mm (L × W × H)
• Weight: approximately 2.45 kg

Supplied with two M6 screws, washers and lock washers. Remote LED fault light is not included.

Approval status: intended for experimental aircraft only; not EASA/FAA approved. Installation, charging and fault-indication wiring must follow the manufacturer’s applicable instructions.

Relevant documentation: EarthX ETX Series Lithium Battery User’s Manual.