Is it true that lithium ion batteries only come in 1.5v each, and to up the voltage you have to connect them in a battery pack? - Quora
Discharge characteristics of Li-ion battery having a nominal voltage V... | Download Scientific Diagram
![Electronics | Free Full-Text | Perspective on Commercial Li-ion Battery Testing, Best Practices for Simple and Effective Protocols Electronics | Free Full-Text | Perspective on Commercial Li-ion Battery Testing, Best Practices for Simple and Effective Protocols](https://pub.mdpi-res.com/electronics/electronics-09-00152/article_deploy/html/images/electronics-09-00152-g006.png?1581011108)
Electronics | Free Full-Text | Perspective on Commercial Li-ion Battery Testing, Best Practices for Simple and Effective Protocols
![Charge voltage experiments with lithium ion batteries showing how capacity varies with charge voltage and higher cycle live with lower charge voltage Charge voltage experiments with lithium ion batteries showing how capacity varies with charge voltage and higher cycle live with lower charge voltage](https://www.powerstream.com/z/life-discharge-series-hs.png)