Maximum 3.1A, soon filled the ipad, very very different from the market most powerful charger only "compatible" to iPad / iPhone 4, USB car charger kit has a 10.5 - 18V voltage and charging circuits The perfect solution. It is for your iPad, iPhone or iPod at the same time quickly and safely using the USB interface to charge to keep your iPhone / iPad on the road has been electricity. Into the car cigarette lighter for your iPhone / ipad charging at the same time. Integrated circuit design to prevent overcharging. - For your iPad 1 iPad 2, iPhone or iPod charging - Short circuit protection, overvoltage protection, overcurrent protection. - Built-in smart chip car safety fuses real ipad iphone4 used simultaneously charge, 2.1A for ipad charging, 1A for iphone4 charging, but also for NOKIA, MOTO, HTC and other power supply. Ultra-small size, light weight incredible, can make such a stable performance of the products, is worthy of top design. Actual use, while connected to ipad and iphone, gentle feel, very comfortable. At the same time for a variety of high-end phones, p1000, A9191 and so on. Power Source: Cigarette lighter packaging: genuine boxed, including a car charger head. (Guaranteed authentic with security) 5v 3.1A output to the electronic device can quickly charge Product Details: 1. Super mini appearance 2. Input voltage: DC12-24V DC 3. Output voltage and current: 5V 3.1A