LG Rumor User Manual page 38

Installing the Battery
To install, insert the battery into the opening on the back of
the phone and gently press down until the latch snaps into
place.
Removing the Battery
1.
Make sure the power is off so that you don't lose any
stored numbers or messages.
2.
Press the battery release latch up and remove the
battery from the phone.
WARNING Do not handle a damaged or leaking Li-Ion battery as
you can be burned.
Section 2A: Phone Basics 21