Dolphin Battery is an app for Android smartphones and tablets that gives updates on the status of your device’s battery. Aside from its monitoring function, it also includes a saver mode, running-app optimizer, and memory manager and cleaner. 

Get daily reminders on battery life and accurate estimates on power consumption, so you can manage your usage. You can apply power-save mode that you can customize according to your needs or use the optimizer to help you remove junks that could affect the overall health of your device.

This app also provides battery details such as voltage, temperature, capacity, and other hardware and software information to keep you up to date.