There is a new pull request by motorto against master on the void-packages repository

https://github.com/motorto/void-packages batsignal
https://github.com/void-linux/void-packages/pull/23963

New package: batsignal-1.1.2
Batsignal is a lightweight battery daemon written in C that notifies the user about various battery states.

A patch file from https://github.com/void-linux/void-packages/pull/23963.patch is attached