Depth of Discharge
The amount of energy that has been removed from a battery.
Usually expressed as a percentage of the total capacity of the battery.
- 50% depth of discharge means that half of the energy in the battery has been used.
- 80% DOD means that eighty percent of the energy has been discharged, so the battery now holds only 20% of its full charge.
Under certain conditions, such as discharge rates lower than that used to rate the cell, depth of discharge can exceed 100%.