Withdrawal of 50% or more of the rated capacity of a cell or battery.

The discharge of a cell or battery to 80-100% of its rated capacity.

Withdrawal of at least 80% of the rated capacity of a cell/battery.

Discharging a battery to 20% or less of its full charge.

State in which a cell is fully discharged using low current, so that the voltage falls below the final discharging voltage

The depletion of approximately 80% of the rated capacity of a battery.