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Long duration duty cycle requirements: Is the lead acid battery still a viable backup energy source?

Wieland Rusch

Chris Searles

With the acceleration of newer alternative energy sources, including photovoltaic, wind farms and passive nuclear designs, a focus on long-duration duty cycles for lead-acid batteries, up to 96 hours or longer, is now required.  Testing to IEEE 535 and IEC 61.427 demonstrate the ability of both VLA and VRLA designs using a tubular plate technology to satisfy those objectives. This paper will discuss the results of these tests to date.

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