Lenovo V580c Notebook - Manual (Page 61)

Remove the mSATA solid-state drive in the direction shown by the arrow 2 .
2
1080 Backup battery
Removal steps of backup battery
DANGER
Use only the battery specified in the parts list for your computer. Any other battery could ignite
or explode.
Pry the backup battery out using a screwdriver.
Chapter 7 . Removing and replacing a FRU 55