Samsung SCH-R451ZKGNTT - Manual (Page 10)

6
Install the Battery
ᮣ Insert the top end of the battery first, matching the gold contacts on the inside of
the battery to those on the phone (1), then press the bottom of the battery down
into the phone until it slips into place (2).
Remove the Battery
Before removing the battery, turn the phone off, if necessary. To turn the phone off,
press and hold the
key.
ᮣ Lift the end of the battery up and away from the phone (1) and slide the battery
up and out of the phone (2).