Note: Not FAA Approved. Intended for use in EXPERIMENTAL AIRCRAFT ONLY.This battery is designed to start TURBINE engines with max motor/generator output of 300 amps or less.Note: Contact EarthX prior to buying if your motor/generator is more than 300 amps to verify the proper batteries needed for your TURBINE application, call 970.674.8884 option 1, or techsupport@earthxbatteries.com.This battery is fully protected by an integrated battery management system (BMS). The BMS 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 24volt 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).In addition to the BMS, this battery has thermal runaway containment and venting ability. This is designed to meet all of the DO-311a and DO-160 requirements for a lithium battery in aircraft. However, is it not currently TSO approved, this approval is estimated by mid 2025.