RTCA DO-347

Description / Abstract: This document provides test guidance and installation considerations for Small and Medium Sized Rechargeable Lithium Batteries and Battery systems that are permanently installed on aircraft. The tests defined in this document also provide a standardized method for characterization of performance of batteries and battery systems. Compliance with these standards is recommended as a means of assuring that the batteries and battery systems will perform their intended function(s) safely under conditions encountered in aeronautical operations.