Toshiba Satellite Pro M50 - Manual (Page 42)

User’s Manual 2-7
The Grand Tour
Battery Pack Lock When you slide this into its locked position, the
battery pack cannot be released even if you
attempt to slide the battery pack latch into its
open position.
Battery Pack Latch With the Battery Pack Lock in its unlocked
position, you can slide this latch in order to
remove the battery pack.