Samsung SCH-U550 Cell Phone Travel Charger Input voltage: AC 100 - 240V Charges Ni-MH and Li-ion cell phone batteries Equivalent to original Samsung TAD137JSEB/STD / TAD037JBEB/XAR Charges your Samsung cell phone at home, at office or in a hotel Compatible with Samsung SCH-A970, SCH-A950, SCH-A930, SCH-U620, SCH-U540, SCH-U550