TNT - 2.1Amps / 10W Dual Port USB Rapid Car Charger For Samsung Galaxy S5, S4, S3, S2 (White) This dual port usb car charger charges your Samsung Galaxy S5, S4, S3 or S2 while driving Double USB ports lets you charge up to 2 devices simultaneously! 2 Ampere port for iPad and tablets and 1 Ampere port for mobile phones or other devices Patented circuit board design automatically switches to saver mode, so charging will automatically stop when battery is full Use your existing USB charging cables to charge your Galaxy S4,S3,S2 - USB charging cable not included