What are the factors on which the capacity of the battery depends?

What are the factors on which the capacity of the battery depends?
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1 Answer

Answer :

The capacity of the battery is measured in ampere-hour. The capacity of the battery depends upon the following factors.
a. Number and area of the positive plate.
b. Discharge voltage. A cell should not be discharged below 1.8 V. If it is discharged below 1.8 V it may cause to reduce the capacity.
c. Discharge rate. Capacity decreases with increase rate of discharge.
d. Specific gravity of electrolyte. With rapid rate of discharge causes to weaken the electrolyte so the chemical action also weakens and there by the capacity decreases. When the specific gravity increases the capacity of the battery increases.
e. Quantity of electrolyte. Electrolyte level should be at the top plate level.
f. The design of separator. The design of the separator should be thin.
g. Temperature. When the temperature increases the resistance of the battery decreases and the capacity increases.
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