Using your phone’s battery and charger – Samsung Z400 User Manual
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Using Your Phone’s Battery and 
Charger
Sprint-approved or Samsung-approved batteries and 
accessories can be found at Sprint Stores or through 
Samsung; or call 1-866-343-1114 to order. They’re also 
available at 
www.sprint.com
.
Battery Capacity
Your phone is equipped with a Lithium Ion (Li-Ion) 
battery. It allows you to recharge your battery before it is 
fully drained. The battery provides up to 4.5 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 turns off.
WARNING
Use only Sprint-approved or Samsung-
approved batteries and chargers with your 
phone. The failure to use a Sprint-approved or 
Samsung-approved battery and charger may 
increase the risk that your phone will overheat, 
catch fire, or explode, resulting in serious 
bodily injury, death, or property damage.
Note
Long backlight settings, searching for service, vibrate 
mode, browser use, and other variables may reduce 
the battery’s talk and standby times.
Tip
Watch your phone’s battery level indicator and 
charge the battery before it runs out of power.
Z400.book Page 20 Monday, April 7, 2008 8:06 PM