Samsung SPH-A880TSAQST - Manual (Page 31)

Section 2A: Your Phone: The Basics 23
Phone Basics
Using Your Phone’s Battery and Charger
Battery Capacity
Your phone is equipped with a Lithium Ion (Li-Ion) battery.
The standard battery provides up to 3.3 hours of continuous
digital talk time and the extended battery provides up to 5
hours of continuous digital talk time.
When the battery reaches 5% of its capacity, the battery icon
blinks. When there are approximately two minutes of talk
time left, the phone sounds an audible alert and then powers
down.
Note: Long backlight settings, searching for service, vibrate
mode, and browser use affect the battery talk and standby
times.
Tip: Be sure to watch your phone’s battery level indicator and
charge the battery before it runs out of power.