RTCA DO-227A

This standard provides design, testing, and installation guidance for non-rechargeable lithium batteries and battery systems which are permanently installed on aircraft or used in aviation.

The intent of this document is to assist equipment designers and manufacturers in the selection of non-rechargeable cells and battery systems whose safety and performance have been demonstrated as appropriate to the aviation environment.

Section 1 (Purpose and Scope) discusses the scope of this document, and provides guidance, best practices, and a list of some basic terms of reference.

Section 2 (Equipment Performance Requirements and Test Procedures) contains requirements and associated procedures for non-rechargeable lithium cells, batteries, and End Items powered by lithium batteries including general, performance, safety, and environmental requirements and tests.

Section 3 (Aircraft Installation Considerations) provides information that may impact the design or aircraft installation of the battery system or end item. It also provides cautions and advice for the installer. This section is intended to provide installation guidance and considerations that may help applicants to meet the airworthiness regulation requirements for the installation of non-rechargeable lithium batteries on aircraft.