KALYAN
Last Activity: 9 Years ago
Primary cell (or) Battery: ‘The battery after its use over a period of time become dead and
the cell reaction is completed and this can’t be reused again is called primary battery.
ex – Dry cell (Leclanche cell), mercury cell
Secondary Battery: A battery in which both charging and discharging takes place is called
secondary battery. It can be recharged and used again
ex – lead storage battery, nickel – cadmium cell.