Road sign battery widget is a simple circle battery indicator. This battery widget shows percents of battery in circle like a road sign. Simple battery circle widget as a Speed limit road sign. It displays battery level in percent's. Also this widget is monitoring battery temperature, voltage etc.
Coodeev is the official developer of Speed limit Battery that can be found in the Personalization category. Over 10K users set up this application and the latest update was launched on Mar 16, 2017. The app was rated 3.8 on Google Play.
It's free of charge to download the .apk setup package of Speed limit Battery and you can take a look at users' reviews on Droid Informer. This application installer requires 394 KB of free space to run on Android 2.3 and above. The security report demonstrates that the app is completely safe.