Capacity and age of lead-acid batteries in base stations

What is the end of life of a lead-acid battery?

r. Thus, IEEE and other documents define the end of life of a lead-acid battery as the point at which the available capacity has fallen to 80% of rated capaci y.Figure 1 also shows the aging characteristics of nickel-cadmium batteri

What is the aging margin for lead-acid battery sizing?

Upload your project docs. # Lead-Acid Battery Capacity Variation Throughout Service Life ## IEEE-485-2010 Standard: Aging Margin Justification The IEEE-485-2010 standard recommends including a 1.25 aging margin in lead-acid battery sizing calculations due to predictable capacity degradation patterns.

What is the aging factor of a battery?

r. An aging factor of 1.25 if used for lead-acid batteries, so that the installed capacity is 125% of the required si e. At the end of life, when the available capacity has fallen to 80% of rated, the battery will just have sufficient capacity to perform the duty (80% of 125% equals 100

Do lead-acid batteries have a limited capacity?

y. This is particularly the case in telecom systems where battery space is limit d.Lead-acid batteries exhibit a characteristic pattern of capacity availability through life, as illustrated in Figure 1. These batteries actually spend half their lives or more above 100% of their rated capaci