As our mobile devices have increased in capability, their battery and charging needs have also increased. Now you can have up to 3.1 amps of charging power in your car with this 2-Port 3.1A USB Car Charger from Monoprice!This car charger fits into the auxiliary/cigarette lighter socket in your vehicle. It provides two 5 VDC USB charging ports, one with up to 2.1A of charging power and the other with up to 1.0A. The 2.1A port provides sufficient power to charge the Apple iPad at its full rate, while the other port can be used to charge an iPhone or iPod at full rate. A small blue LED indicates when the charger is plugged into an active power socket.*** 30-day easy returns. No restocking fee. Free lifetime technical support. 1 year warranty. ***