FHP DV1400 - Manual (Page 119)

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