Battery error in dmesg

Hi everyone,

I have a strange error about the battery when I run dmesg
my laptop is
lenovo ideapad z500 . i'm on Elcapitan 10.11.6, clover .
the other relative info are on my signature .

I think I fixed everything except this one .
I followed the power management thread and everything is checked and working . but I still get this
Battery error in dmesg