Backup Battery

This is the backup battery / PMU board for the titanium gigabit 550/667 mhz or the DVI Titanium (choose model from the options). If your powerbook loses the date and time frequently then this will solve your problems. If you are having issues with power related issues, then this part may also solve your problems as it is also the PMU (Power Management Unit / PCB board)

Apple Part Number:

922-4631