# Battery Plugin This plugin adds some functions you can use to display battery information in your custom theme. To use, add `battery` to the list of plugins in your `.zshrc` file: `plugins=(... battery)` Then, add the `battery_pct_prompt` function to your custom theme. For example: ``` RPROMPT='$(battery_pct_prompt) ...' ``` ## Requirements On Linux, you must have the `acpi` tool installed on your operating system. Here's an example of how to install with apt: ``` sudo apt-get install acpi ```