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The ability of a battery to store electrical energy relative to a new battery.
Note: It is expressed as a percentage and quantitatively describes the performance state of the battery during its lifetime, from the beginning to the end of its life.
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The capacity value of a battery's output measured under specified conditions.Note: Discharge capacity is typically expressed in ampere-hours (Ah) or milliampere-hours (mAh).
The capacity value of a battery cell, module, battery pack, or system measured under conditions specified by the manufacturer and declared by the manufacturer.Note: Rated capacity is typically expressed in ampere-hours (Ah) or milliampere-hours (mAh).
The remaining capacity of a battery that can be discharged when the battery has been used for a period of time under specified conditions (such as discharge or storage) before continuing to discharge.
The capacity that can be discharged from a battery after it has been fully charged under specified conditions, allowed to stand for a specified time at a specified temperature, then fully recharged, and discharged again.
The capacity released by the internal active material of a battery during discharge divided by the mass of the active material.Note: Specific capacity is typically expressed in milliampere-hours per gram (mAh/g). Sometimes, the calculation of specific capacity includes the mass of all non-active materials, such as conductive additives and binders.
The ratio of a battery's energy to its mass. Also known as "mass energy density."
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