This SAE Standard applies to 12 V, flooded and absorptive glass mat lead acid automotive storage batteries of 180 minutes or less reserve capacity and cold crank capacity greater than 200 amperes.

This life test is considered to be comprehensive in terms of battery manufacturing technology; applicable to lead-acid batteries containing wrought or cast positive grid manufacturing technology and providing a reasonable correlation for hot climate applications.

This document is intended as a guide toward standard practice, but may be subject to change to keep pace with experience and technical advances.

Purpose

This life test simulates high heat automotive service when the battery operates in a voltage regulated charging system. It subjects the battery to charge and discharge cycles comparable to those encountered in automotive service. Other performance and dimensional information is contained in the latest issue of SAE J537.

NOTE: Caution must be exercised when using this test as a means to provide an absolute value for battery life, as recommendations for sample size are not contained in this procedure.

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