: to discharge excessively specifically : to discharge (a battery) beyond the proper point. overdischarge. noun. \ "+ \
What can over discharging a battery do?
Over discharge may cause difficulties in recharging the cell by increasing the battery's internal resistance. Also, over discharging may cause lead to be precipitated in the separator and cause a short in the cell or between cells.
What does over discharge battery mean?
When a battery has been subjected to deep discharge (commonly referred to as over-discharge), the amount of electricity which has been discharged is actually 1.5 to 2.0 times as great as the rated capacity of the battery. ... Quite often, an over-discharged battery cannot be recharged, it is ruined.