If you want to buy different style of 1900mAh Portable Mobile Power Station Black for iPhone, there are other needs in the words of Batteries & Chargers .In some ways, if the 1900mAh Portable Mobile Power Station can not meet your needs, you can also purchase the Apple Accessories and related products. Note: When you buy a lot of 1900mAh Portable Mobile Power Stations Black for iPhone, please tell us the quantity, and we could do a wholesale cheap. Capacity: 1900mAh. Input: 5V 0.8A. Output: 5V 0.5A. Charge time: Around 4 hours. 4 LED lights show charging status. iPod common interface, at the same time apply to all iPod machines (nano.classic.touch.iphone.touch2.iphone3G), and iPhone 4G with the fuselage iPod interface, you can use the iPod data line and iPod charger to charge.