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Why is the electrolyte specific gravity in the DYNASTY VRLA battery (1.300) higher than that used in an automotive (SLI) battery (approximately 1.260)?

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Why is the electrolyte specific gravity in the DYNASTY VRLA battery (1.300) higher than that used in an automotive (SLI) battery (approximately 1.260)?

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The sulfuric acid (H2SO4) in the electrolyte is actually one of the three active materials in the battery. By increasing the percent acid, or specific gravity, of the electrolyte it increases the high rate performance and ampere-hour capacity of the battery. However, increasing the electrolyte specific gravity will also increase the open circuit voltage and required charging voltage of the battery.

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