The most uptodate developpment apk of battery snap can be found
here :
http://dl.dropbox.com/u/2126945/battery-snap-release.apk
Please consider that it should be considered as alpha and that you may
backup you version to go back to it if this dev version happens to be
too buggy. As a reminder, Battery snap is freely avalaible on the
Android Market and on AppsLib