Here is a list of 20 hour battery life phones. You may note they aren't best sellers. https://www.cnet.com/news/smartphones-best-long-battery-life/ https://www

Here is a list of 20 hour battery life phones. You may note they aren't best sellers. https://www.cnet.com/news/smartphones-best-long-battery-life/ https://www.cnet.com/news/smartphones-best-long-battery-life... While there is lots of similarities, every phone is differentiated in some way. You want bigger differences but right now bigger differences aren't perceived as a plus by most users.