We could expose more information (and fix the low battery warning support), as the D230 tells more information than other devices. Related to https://github.com/python-kasa/python-kasa/pull/1448/files#diff-00d3f2e67d20f1799883d27bc71130f4911e7d98a4180e8e6607d0954d0ea36fR353-R357

Originally posted by @rytilahti in #1408 (comment)