DashClock Battery Extension is a personalization app developed by Inrego for Android devices. It is an extension for the DashClock Widget that displays the charging state, level, and other battery information on the widget. This app is free to use and falls under the Personalization category.

The app provides users with instant access to crucial battery information, such as the current battery level, status (discharging, charging, not charging, charged), and power type (AC, USB, Wireless). It also shows the time running on the battery since the last full charge, the time remaining on the battery, and battery details such as health, temperature, voltage, and technology.

It is important to note that users must charge their battery to 100% after updating or installing the app for the first time to display the correct time on the battery. Additionally, the app requires DashClock Widget by Roman Nurik to function properly. Permissions for in-app purchases are included for accepting donations, but no features are hidden behind a paywall.