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== Factors affecting battery performance ==
=== Capacity ===
Capacity is adversely affected by high storage and high and low operation temperatures than cell optimum temperature, higher discharge rates, the stand time between charge and discharge. State of charge, the extent to which the battery is charged, opposite to [[#Depth of Discharge| Depth of Discharge]], should also not be kept very high during storage.
=== Voltage ===
The voltage of the cell decreases during the discharge, and the shape of the discharge voltage curve is affected by temperature, discharge rate, cycle life, service life, and the electrochemical reactions occurring within the cell. The voltage typically is lower and decreases faster with increased discharge rates and longer cycle life.