Motion Computing MotionTM C5 - Manual (Page 20)

12 Docking Station
Changing the tablet battery while the tablet is docked
You can change the battery in the tablet while the tablet is on
and docked.
WARNING: (Models CFT-001 and CFT-002 only) Avoid lifting the
tablet and disconnecting the tablet from the docking connector
on the Docking Station, which will cause a power loss to the
tablet.
Note: On model CFT-003, you can change the battery while the
tablet is on and out of the dock.
To determine which tablet model you have, refer to the label on
the back of your tablet.