Try Wall All, posted about here in the forum. I wrote it, .. it allows you to post battery info to MQTT of pull it via HTTP GET.
There's alot more data it can gather.

I've posted a bunch of codes to test it out, but give me some feedback, I'm always looking to improve or add features

Hello * I needed a light sensor in my living room as I can’t trust the sunset data, things get dark well before the sun sets. Because trees. Anyways, I realized I had a light sensor mounted at the correct place because I had one in the tablet I wall mounted. After I created a proof of concept I kind ...