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Can An 11 Year Old Naturally Aged 2 Volt VRLA Cells Endure a Seismic Event Without Suffering Capacity Degradation?

Peter J. DeMar

Ken Barry

Shows the results of an EPRI funded investigation into the impact of a seismic event on the capacity of naturally aged 2 volt VRLA batteries of approximately 10 years of age. One set of data is for one manufacturer’s product using a 72 hour discharge rate, and the second system was a different manufacturer using an 8 hour rate.

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