Command-I (Get Info) on the downloaded file shows this to be version 1.0.0; however when launched, "About XBattery" says it's version 1.0.1.
Maybe you could get these in sync when you have a chance, Jeremy. Would keep the VersionTracker Pro update alert software from claiming there's a new version when in fact it's already been installed.
XBattery
battery monitoring utility for OS X portables
Version: 1.0.1