Smart Battery Saver is a free utility app for Android devices developed by Infinity Apps Pvt. Ltd. It is designed to help users save battery life, monitor battery charge status, and protect battery health. With its professional battery saver features, it provides users with a variety of functions to optimize their phone’s battery and improve its performance.

The app comes with a One-Tap Optimize function that allows users to kill tasks with just one tap. It also has a Junk Cleaner feature that helps to clean up junk files and free up space on the phone. Smart Battery Saver also comes with a Phone Cooler feature that helps to cool down the phone's temperature. With these features, users can have their phone on for the longest time possible.

The app provides users with battery remaining time and charging history information, as well as an app manager to manage their phone's apps. Users can schedule power saving modes for work, class, sleep, and more. The app also has a distinctive three-stage charging system, WiFi/Data/Bluetooth toggles, brightness control, battery temperature display, and smart charging tips. It supports twenty-eight languages and has an easy-to-use interface.