Current64 multilib, patches up to and including Wed Nov 25 06:36:06 UTC 2015 applied.
On both my laptops the batteries were not recognized.
Searching the forum gave
http://www.linuxquestions.org/questi...368/page5.html comments 75 and 84.
Even the Nov 24 upower rebuild did not resolve the problem for me.
But just recompiling upower (nothing changed!) resolved the problem for me.