HP Compaq Presario,Presario V4000 Maintenance And Service Manual page 110

Removal and Replacement Procedures
b. Slide and hold the battery release latch 1 to the left.
c. Lift the front edge of the battery pack up and swing it
d. Remove the battery pack.
Removing the Battery Pack
Reverse the above procedure to install the battery pack.
5–6
(The front edge of the battery pack disengages from the
computer.)
away from you 2.
Maintenance and Service Guide