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Traditional float charges: Are they suited to stationary antimony-free lead-acid batteries?

T.M. Phuong Nguyen

Guillaume Dillenseger

Christian Glaize

Jean Alzieu

VRLA batteries have been developed and used for about 30 years in backup applications. They have shown several advantages compared to flooded lead acid batteries, but limitations have also been observed concerning their reliability and service life. This has driven Electricite de France (EDF) to develop an improved storage architecture, with an integrated, new method of maintaining the charge for VRLA batteries.

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