Caring for the battery – Samsung Z400 User Manual
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Section 4A. Important Safety Information
Caring for the Battery
Protecting Your Battery
The guidelines listed below help you get the most out of your 
battery’s performance.
ⅷ
Recently there have been some public reports of wireless 
phone batteries overheating, catching fire, or exploding. It 
appears that many, if not all, of these reports involve 
counterfeit or inexpensive, aftermarket-brand batteries with 
unknown or questionable manufacturing standards. Sprint is 
not aware of similar problems with Sprint phones resulting 
from the proper use of batteries and accessories approved 
by Sprint or the manufacturer of your phone. Use only Sprint-
approved or manufacturer-approved batteries and 
accessories found at Sprint Stores or through your phone’s 
manufacturer, or call 1-866-343-1114 to order. They’re also 
available at lick 
Accessories
. Buying the
right batteries and accessories is the best way to ensure 
they’re genuine and safe.
ⅷ
In order to avoid damage, charge the battery only in 
temperatures that range from 32° F to 113° F (0° C to 45° C).
ⅷ
Don’t use the battery charger in direct sunlight or in high 
humidity areas, such as the bathroom.
ⅷ
Never dispose of the battery by incineration.
ⅷ
Keep the metal contacts on top of the battery clean.
ⅷ
Don’t attempt to disassemble or short-circuit the battery.
ⅷ
The battery may need recharging if it has not been used for 
a long period of time.
ⅷ
It’s best to replace the battery when it no longer provides 
acceptable performance. It can be recharged hundreds of 
times before it needs replacing.
ⅷ
Don’t store the battery in high temperature areas for long 
periods of time. It’s best to follow these storage rules:
Less than one month:
-4° F to 140° F (-20° C to 60° C)
More than one month:
-4° F to 113° F (-20° C to 45° C)
Disposal of Lithium Ion (Li-Ion) Batteries
Do not handle a damaged or leaking Li-Ion battery as you can 
be burned.
For safe disposal options of your Li-Ion batteries, contact your 
nearest Sprint authorized service center.
Special Note: Be sure to dispose of your battery properly. In 
some areas, the disposal of batteries in household or business 
trash may be prohibited.
Z400.book Page 184 Monday, April 7, 2008 8:06 PM