Compaq Evo N400c Hardware Manual page 51

To insert the external battery pack, turn the computer bottom
side up.
a. Slide the external battery release latches toward the
b. Insert the external battery pack onto the computer until
c. Rotate the battery pack 90 degrees toward the back of the
d. Slide the external battery release latches toward the
Hardware Guide
inside of the computer 1.
the contacts connect 2.
computer 3.
outside of the computer 4.
Battery Packs
4–9