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 Why is my battery draining faster than predicted? How long does each battery mode last? Why are my battery modes and settings changing without my input? How do I power off my Smartwatch? Are the watch straps interchangeable?