Samsung SCH-U550 Cell Phone Car Charger Input voltage: AC 12-24v Charges Ni-MH and Li-ion cell phone batteries Equivalent to original Samsung # VC700 / SYN0847A /98603H Charges your Samsung cell phone in your car while driving Compatible with Samsung SCH-A970, SCH-A950, SCH-A930, SCH-U620, SCH-U540, SCH-U550