The advantages of secondary cells over primary cell are.
a. It gives high current capacity.
b. Its internal resistance is very low.
c. It gives a constant current.
d. It posses very high efficiency.
e. It posses fairly constant emf.
f. It posses good mechanical strength.
g. It posses large storage capacity
h. It can be renewed by charging after it is discharged.
i. It is durable.
