EarthX Batteries

EarthX ETX900

$629 $659
Save $30


Only 3 units left

For the most up-to date fitment applications, please consult the manufacturer's website

The ETX900 is light weight and crazy powerful!


Voltage: 13.2
Weight: 4.9lbs (2.2kg)
Cold Cranking Amps (CCA): 400
Peak Cranking Amps (PCA): 840
Amp Hour (1C Rate): 15.6
Chemistry: Lithium Iron Phosphate (LiFePO4)
Case Size: E
Dimensions: 6.5" L x 3.1" W x 6.6" H
                    (166mm L x 79mm W x 168mm H)


This battery is intended for 540ci engine size or less; 80 amp alternator/generator or less. Can be used in experimental aircraft or upgrade for touring motorcycles.

This battery is fully protected by an integrated battery management system (BMS) that protects the cell’s from over discharge, over charge, short circuit, temperature, plus cell balancing to ensure charge levels are equal. Additionally, the ETX-Hundred-Series aircraft batteries have redundant electronic circuits and battery fault indication. The fault indicator can be connected into your EFIS or wired to a 12volt LED light on your control panel to alert you to the state of charge and state of health of the battery. (Please see manual for details)

What’s included:

  • 1 x ETX900
  • 2 x 6mm screws
  • Foam for proper fitment

LED fault light sold separately


Selecting the Proper Battery: From their website you can search for batteries based on the make and model of your motorsport vehicle or cross reference your alternator size and engine size for the experimental aircrafts. When given the option of several different batteries for your vehicle, choose the one that will give the performance you are looking for (i.e. lightest weight or reliable cold weather starts).

Customer Reviews

Based on 2 reviews
Dieter Faehmel

Used them already I liked your price

Rod Leslie

EarthX ETX900

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