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RTCA DO-293 Revision A, December 2, 2009 Minimum Operational Performance Standards for Nickel-Cadmium, Nickel Metal-Hydride, and Lead Acid Batteries
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Description / Abstract: This document provides guidance for avionics manufacturers developing Nickel-Cadmium, Nickel Metal-Hydride, and Lead-Acid batteries to be used as power sources for equipment installed in aircraft. Specifically, the document addresses the chemical composition, cell size, cell construction, interconnection of the cell into batteries, venting, operational and storage environments, packaging, handling, test, storage and disposal. The document includes the new Nickel Metal-Hydride guidance and the earlier Change 1 that addressed testing concerns identified by industry.