The ETX900 is light weight and crazy powerful!

This battery is intended for 540ci engine size or less; 80 amp alternator/generator or less. Can be used in experiemental aircrafts or race cars, just match up the alternator output with the correct battery.

The ETX battery series 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 (SOLD SEPARATELY) on your control panel to alert you to the state of charge and state of health of the battery.

EarthX Manual and Specs