Battery Info is a free Android application developed by Vincent Boesch that allows users to monitor their phone's battery life. With this app, users can easily see their battery charge and lifetime in the notification bar. The estimated lifetime is calculated based on phone usage, providing users with an idea of how long their battery will last.

The app is simple and easy to use, making it a useful tool for anyone who wants to monitor their phone's battery life. The interface is clean and intuitive, with all the necessary information displayed in a clear and concise manner. Overall, Battery Info is a great utility tool for Android users who want to keep track of their phone's battery life without having to navigate through complicated settings or menus.