Epson C12 Series Manipulator Manual page 285

The battery may run out if it passes the recommended replacement time.
If no warnings of voltage reduction occur, the calibration for all joints is not necessary.
You need to perform calibration if the position moves from the originals after replaced the
battery.
Designated parts must be used for the lithium battery and battery board.
Be careful of the battery polarity to connect it correctly.
Maintenance Parts
Tools
C12 Rev.3
Battery
Battery board
Name
Battery unit (Lithium battery)
Battery board
Cross-point screwdriver (#2)
Hexagonal wrench
(width across flats: 3 mm)
Maintenance 11. Replacing the Battery Unit
Qty.
2172925
1
(Two lithium batteries for replacement)
1 2173216
1 For cross recessed head screws
1 For M4 hexagon socket head cap bolts
Note
271