Added missing battery_precent var
Added missing battery_precent var

natewalck/PebbleTriforceAdvanced,natewalck/PebbleTriforce,natewalck/PebbleTriforce,natewalck/PebbleTimeTriforce,natewalck/PebbleTriforce,natewalck/PebbleTimeTriforce,natewalck/PebbleTriforceAdvanced,natewalck/PebbleTriforceAdvanced