Do I want the Network UPS Tools (NUT) Add-on or the Integration?
I’ve been using the integration, but I saw the Add-on there too. Why’s it there? What’s it do differently or add to the Integration?
Welp, it was answered already, I just didn’t realize:
tl;dr You want to run the integration.
The add-on is something you run if you wanna monitor your battery on Home Assistant itself.
The same way you can install a NUT server on a Raspberry Pi or TrueNAS, this is that app. The only difference is it runs through Home Assistant.
I wouldn’t say it quite like that. You may need to run both depending on your use case.
The docs have some pages clarifying Integration vs. Add-on:
In this case, the NUT add-on provides the nut server, which talks to your UPS. The integration talks to the NUT server over the network. It can either talk to the add-on, or a nut server you manage yourself.
In either case, the integration is required for use in HA.
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