Samsung SPH-A640 User Manual (user Manual) (ver.1.0) (English) - Page 43
Charging the Battery, Using the Travel Charger, UL Certified Travel Adapter
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Charging the Battery Your phone's Li-Ion battery is rechargeable and should be charged as soon as possible so you can begin using your phone. Keeping track of your battery's charge is important. If your battery level becomes too low, your phone automatically turns off and you will lose all the information you were just working on. For a quick check of your phone's battery level, glance at the battery charge indicator located in the upperright corner of your phone's display screen. If the battery charge is getting too low, the battery icon ( ) blinks and the phone sounds a warning tone. Always use a Trumpet Mobile-approved desktop charger, travel charger, or vehicle power adapter to charge your battery. Phone Basics Warning! Using the wrong battery charger could cause damage to your phone and void the warranty. Using the Travel Charger To use the travel charger provided with your phone: ᮣ Plug the end of the AC adapter into the phone's power interface connector and the other end into an electrical outlet. An onscreen indicator lets you know that the battery is charging or that charging is completed. 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. Section 2A: Your Phone: The Basics 21