Fanuc Battery Replacement. Don’t let your Fanuc turn into a paperweight over a dead battery. Replace batteries regularly to prevent losing parameter settings. This can prevent your mill or lathe from becoming an expensive paperweight. Replacement should be done anytime you get a BAT notice or at least every year or two. #cncmill #machinist #homeshop #fanuc 00:00 Fanuc Battery Replacement 00:16 Preventing Battery Failure 00:38 Buying a used CNC 01:12 Lost Parameters Warning 01:59 Type of Batteries 02:36 Best way to backup your control 06:38 Battery Cover 06:59 BAT Alarm 07:22 Clearing the Alarm