Renowned Apple analyst Ming-Chi Kuo in a recent research note said Apple will utilize a smaller and simpler battery board in the iPhone 12 that could reduce the cost of the component by 40-50 percent compared to what was used in the iPhone 11.
https://www.techspot.com/news/86462-apple-may-use-less-expensive-components-iphone-12.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/86462-apple-may-use-less-expensive-components-iphone-12.html?utm_source=dlvr.it&utm_medium=blogger