Samsung SEPA920WSAQST - Manual (Page 47)

Section 2A: Your Phone: The Basics 25
Phone Basics
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 red indicator light on the phone lets you know the battery is
charging.
Ⅲ
An on-screen indicator lets you know that the battery is
charged.
It takes about three hours to fully recharge a completely rundown battery.