NEC Versa FXi Series Service And Reference Manual page 46

3. Slide the battery release latch toward the right side of the system and hold firmly.
Locating the battery bay release latch
A – Lithium-Ion Battery
Continue to hold the battery release latch as you slide the battery out of the system.
4.
A – Battery Bay Connectors
B – Battery Bay Release Latch
B – Battery Release Latch
Removing the battery
C – Lithium-Ion Battery
Disassembly and Reassembly 3-3