Design and construction of batteries.

An evaluation program on maintenance-free lead-acid batteries was conducted at the US Army Electronics Command for the purpose of determining the feasibility of replacing some of the more expensive nickel-cadmium batteries in the field. With the elimination of troublesome water makeup along with the employment of new state-of-the-art electrode designs, which feature long life and efficient high rate discharge capabilities, the familiar lead-acid battery has become attractive as a high capacity, long life battery with low user cost. Environmental testing has been completed. This battery, with lead-calcium grids, will retain 70% of its initial capacity after storage at 125F for 30 days. A cycle life of 200 cycles at 80% depth of discharge was demonstrated, no water makeup being required during cycling. (Author).

Maintenance-free batteries are a rapidly changing subject and since Dr Berndt's last book was published in 1997 there have been advances in the areas of valve-regulated lead-acid and nickel/metal hydride types. In this, the third edition of his book, there is updated and new information relating to lead-acid, nickel/cadmium and nickel/metal hydride batteries. The theory and practice presented are supported by references.

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The purpose of this book is to promote the understanding of lead-acid batteries that are used to operate equipment in daily lives of ordinary people, to share information on simple maintenance procedures that can save hundreds of dollars, and to provide information on procedures to stop lead-acid-battery deterioration, which shortens battery life and potentially causes harm to other expensive electrical components in the charging system. This book intends to reveal a scientifically proven method to easily and inexpensively rebuild lead-acid batteries and add years to their service life. Almost everyone depends on the function of lead-acid batteries. Whether it's to start an engine, to run electrical-powered equipment, or for their operational function in industry, batteries are a part of our lives. Unfortunately, few batteries last beyond their warranty period. With proper maintenance and restoration, battery life can be increased up to three times longer than consumers are experiencing. This book, Rebuilding Lead-Acid Batteries: The Scientific Way, reveals how to easily and inexpensively achieve this.