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P1189 - Guide for Selection of Batteries for Standby Applications

No single battery technology is ideal for every standby application. The purpose of this document is to inform the user of the selection process and allow an assessment of the suitability of various battery technologies to meet the specific demands of an application, so that an informed selection decision can be made.This document guides the user through the process of selecting a battery for a standby application. Various battery systems are discussed so that the user can make informed decisions on selection of batteries used in standby applications. For each category, the technology and the design of the battery are described in order to facilitate user selection. The specific advantages for particular applications are also listed. The most common battery technologies used in standby applications are divided into the following main categories: Vented lead-acid (VLA) Valve-regulated lead acid (VRLA) Nickel-cadmium (Ni-Cd) Limited information on other battery technologies is provided. These technologies include, but are not limited to, the following: Lithium-based Sodium-beta Flow The following subjects are beyond the scope of this guide: Non-battery devices such as fuel cells, electric double-layer capacitors, flywheels, etc. Installation methods Maintenance practices Hazard mitigation practices Battery sizing Design and protection of the dc system Battery charger sizing
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