Why is my Battery Mode no longer selected in the app? Making settings updates in the Wear OS menus outside of Smart Battery Modes deselects your current mode due to manual changes. You will need to select your mode of choice again in order to reset. Related articles How long does each battery mode last? Why is my battery draining faster than predicted? What are Smart Battery Modes? My battery won’t charge past a certain percentage. How can I fix this? Why are my battery modes and settings changing without my input?