Laptop batteries are more than a black box

https://www.easternprogress.com/nyc-entrepreneur-and-tech-ceo-dan-herbatschek-leverages-[…]-impact/article_e9c57560-f330-524e-af62-aee319556cf7.html

Laptop Batteries are More Than a Black Box<br/>More than meets the eye.<br/>Laptop batteries are the most important battery in the field of rechargeable batteries, but they are also the most complicated and regulated of all rechargeable batteries