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Re:Indonesia's e-bike shops are building their own batteries by tantalor on Wednesday March 20, 2024 @08:29AM (#39765503)
Packs, battery packs.

This is very common for DIY ebikes.

Re:Indonesia's e-bike shops are building their own batteries by actionfromafar on Wednesday March 20, 2024 @08:40AM (#39765613)
It used to be that one assembled batteries of cells. But language changes I suppose.
Re:Indonesia's e-bike shops are building their own batteries by zdragnar on Wednesday March 20, 2024 @09:47AM (#39766445)
In this case, each cell is also a standalone battery (an 1850 I presume). Assemblage of these is either called a module or a pack.
Re:Indonesia's e-bike shops are building their own batteries by actionfromafar on Wednesday March 20, 2024 @10:11AM (#39766826)
An 18650 is a single cell. (Or a battery in modern parlance.) Now, get off my lawn! :-D Just kidding! The terminology shifted. But a cell used to be the single unit of chemistry and catode and anode that gives the native voltage. So an 18650 would be a cell. A 1.5V alkaline would be a cell. A 9V alkaline would be a battery of six cells! And so on.

I'm not saying it's wrong nowadays to say an 18650 is a battery.

Re:Indonesia's e-bike shops are building their own batteries by samatman on Wednesday March 20, 2024 @11:14AM (#39767773)
Not even disagreeing with you, but it's a funny evolution of language when you consider the origin of the term battery.

https://en.wikipedia.org/wiki/Artillery_battery

We owe the term to Benjamin Franklin, who used it to describe what you're referring to as a pack (although Leyden jars are considered capacitors rather than batteries in modern terms).

https://en.wikipedia.org/wiki/Electric_battery#Invention