Using the travel charger, Ul certified travel adapter – Samsung A640 User Manual
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Section 2A: Your Phone: The Basics
27
Ph
one Bas
ics
Using the Travel Charger
To use the travel charger provided with your phone:
ᮣ
Plug the round end of the AC adapter into the phone’s 
power interface connector and the other end into an 
electrical outlet. 
Ⅲ
A charging icon located in the top right corner of the 
outside LCD lets you know the battery is charging.
Ⅲ
An onscreen indicator lets you know that the battery 
is charged.
It takes about three hours to fully recharge a completely 
rundown battery.
UL Certified Travel Adapter
The Travel Adapter for this phone has met UL 1310 safety 
requirements. Please adhere to the following safety 
instructions per UL guidelines.
FAILURE TO FOLLOW THE INSTRUCTIONS OUTLINED MAY 
LEAD TO SERIOUS PERSONAL INJURY AND POSSIBLE 
PROPERTY DAMAGE 
IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE 
INSTRUCTIONS. 
DANGER - TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, 
CAREFULLY FOLLOW THESE INSTRUCTIONS. FOR CONNECTION 
TO A SUPPLY NOT IN THE U.S.A., USE AN ATTACHMENT PLUG 
ADAPTOR OF THE PROPER CONFIGURATION FOR THE POWER 
OUTLET.