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Can you determine the state of charge in a ni-cd battery by checking the electrolyte specific gravity?

April 26, 2017battery charge checking determine electrolyte gravity Ni-Cd State

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Can you determine the state of charge in a ni-cd battery by checking the electrolyte specific gravity?

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No. Unlike the lead-acid battery in which the electrolyte takes part in the electro-chemical reaction, the electrolyte in a ni-cd battery merely acts as a conductor without changing its specific gravity. The electrolyte in a lead-acid battery is almost pure water when it is in a discharged state, making it susceptible to freezing in cold ambients.