Electrolysis and Storage Batteries
As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of

Both of the listed here
avoiding excessive gassing
increasing cell capacity
reducing time of charging

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Electrolysis and Storage Batteries
Life of the batteries is in the following ascending order.

Lead-acid cell, Nickel-cadmium cell, Edison cell
Nickel-cadmium cell, Edison cell, lead-acid cell
Edison cell, Nickel-cadmium cell, lead-acid cell
Lead-acid cell, Edison cell, Nickel cadmium cell

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