EarthX Product Line Extension

FAA-TSO Approved LiFePO4 Batteries for Certified and Experimental Aircraft

McFarlane offers the complete EarthX lineup: starting batteries, backup batteries, turbine batteries, and STC installation kits for a wide range of certified aircraft across Cessna, Piper, Beechcraft, Diamond, and Cirrus. STC coverage spans 14V and 24V systems, with installation kits designed to fit existing battery boxes on dozens of makes and models.

Every EarthX battery is FAA-TSO approved and equipped with an integrated Battery Management System (BMS) that protects against overcharge, over-discharge, short circuit, temperature extremes, and cell imbalance. LiFePO4 chemistry delivers high cold cranking amps, low self-discharge, long service life, and up to 80% weight savings over lead acid, with zero maintenance required.

• FAA-TSO approved for certified aircraft
• STC-approved installation kits for 14V and 24V aircraft
• Integrated BMS standard on all batteries
• LiFePO4 chemistry: high performance, maintenance free
• Up to 80% lighter than lead-acid equivalent
• STC eligibility now includes Cirrus SR20, SR22, and SR22T aircraft!

Accessories and Components

EarthX backup battery accessories are also available, including the EBBS 12V backup battery, EBBS charger, and EBBS cable. Additional components include hold down brackets, battery boxes, foam spacers, terminal adapters, and over-voltage protection devices.

Additional components are also available, including hold down brackets (ETX680-24-HDB, BB-HDB, BB-CU, BB-CU-E, BB-CO2), battery boxes (BB-TH, BB-TH-CO, BB-TH-U, BB-MU2, BB-U), foam spacers, and electrical adapters and venting kits.