What does Low Power Mode do to save battery?

Ever wondered Why Is My Iphone Battery Yellow it indicates the Low Power Mode is enabled and it is used to save battery energy by limiting most background processes that do not have to run on the iPhone continuously. It restricts auto-Updates, halts car downloads, dims the screen, and disables options such as motion and dynamic wallpaper. Email fetch is delayed and in other instances, you might experience a temporary interruption in iCloud Photos updates. All these combined lessen the load on your battery which will last long before recharging your device. Especially when you are away from the charging outlet it is very useful; as you will continue to use it without having to plug into a charging point.