https://wccftech.com/iphone-models-2018-1-cell-design-battery/

If Apple and LG Chem are able to work together on a 1-cell battery design for the iPhone models incoming in 2018, it could result in all versions featuring a more powerful battery inside their housing.

According to the latest iPhone X teardown conducted by iFixit, it revealed that the device featured two battery capacities and combined them to make a higher overall capacity to deliver a better screen-on time. A report from renowned analyst Ming-Chi Kuo reveals that the iPhone 2018 models will feature a different approach when it comes to batteries and that report has been detailed below.