GR 1200 CORE : ISSUE 1

Preface
1 Introduction
  1.1 Purpose and Scope
  1.2 Organization
  1.3 Requirements Terminology
2 Description
  2.1 Accelerated Life Testing Methodology
  2.2 Service Life of Batteries
  2.3 Avoidance of Premature Failures
  2.4 Temperature Dependance of Electrochemical Processes
      2.4.1 General Benchmarks
      2.4.2 Arrhenius Equation
      2.4.3 General Electrochemical Parameters
      2.4.4 Grid Growth as a Failure Mode
      2.4.5 Positive Grid Corrosion
      2.4.6 Water Vapor Permeation through Battery Cases
      2.4.7 Oxygen Evolution from PbO2 Electrodes
      2.4.8 Other Temperature Dependent Subassemblies
  2.5 Log-Normal Failure Modes and Reliability
3 Requirements
  3.1 General Test Requirements
  3.2 Testing Time and Temperature Requirements
  3.3 Large Scale Test Requirements
  3.4 Small Scale Test Requirements
  3.5 Cell Selection for Testing
  3.6 Temperature Sensitivity of Rectifiers
  3.7 Float Voltage Constraints
  3.8 Accelerated Test Conditions - Humidity
4 Quality Assurance by Accelerated Testing
Appendix A: References

Specifies generic requirements for accelerated life testing of Valve Regulated Lead Acid (VRLA) batteries by increasing the temperature of the batteries and determining their lifetime at these higher temperatures.