Dell E-Port Plus - Manual (Page 11)

Using the Dell™ E-Port Plus 11
3 Retract the battery bar if your laptop has a battery that extends beyond the
back of the laptop. Slide the battery bar adjuster to the left to retract the
battery bar.
4 If your laptop does not have a battery extending from the rear of the laptop
body, extend the battery bar by sliding the battery bar adjuster to the right.