The capacity of a secondary cell is 30 A.h what do you mean by the statement? How much electric charge can be drawn from if without damaging it?

Explanation

The statement means that the cell can supply a current of 1 ampere for 30 hours or 2 amphere for 15 hours.
The amount of electric charge that can be drawn from it without damaging it
`=30 A.h`
`=30 times 60 times 60 A..s=108000 A.s=108000C`