[srdeveng]

> Most of them are quality wise a notch (or two) above what is shown in the article, but typically do not have as much range because of the more practical nature of their design

Then they are not doing "this".

I chose to use the word "hodgepodge" to show the recklessness of this design. Repurposing an assortment of used rechargeable lithium cells is not safe.