Definition of Battery, Pack, Module, Cell - What are they?

Definition of Battery, Pack, Module, Cell - What are they?

Battery:
The completed end product, a usable DC source for the intended application, made from a number of modules or cells, connected in series and/or in parallel.
Such as a car battery. The unit as a whole is referred to as a battery.

Pack/Module:
Sub-component of the battery, the battery is made of packs/modules. This is "optional", the battery is not always divided in packs or modules.
Sometimes the word pack is also used for a battery (as in power pack).

Cell:
Sub-component of the pack/module and/or the battery. This is the individual 18650 cell (or any other format) and the smallest component.
As in the car battery, it is made up of 6 cells, each cell is ~2V-2.3V each. These cells are connected in series to give an ending result of 12V-13.8V

Other Terms:
* String: This is synonymous with Battery as it is defined as a "string" of packs or cells connected together in series.

DISCLAIMER: I am by no means an expert on any one or all of these fields/questions/topics. The results of this FAQ is a collaboration of multiple different members to come up with a common list of questions that would be asked and we have tried to answer. I was the member who was chosen to post the FAQ. If you have question that goes beyond the FAQ, please post your questions in the relevant section pertaining to your inquiry. Thank you and have a nice day

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