Keeps your iPhone/iPod playing by letting you power your device even when your internal battery is drained.
This docking station for iPhone 4G 3G/3GS is a great solution for long flights, hikes, or for anytime you don't have access to an AC outlet.
Battery type: Lithium-ion batterty.
Input: 5V 500mA.
Output: 5V 500mA max.
Charge time of the backup battery: around 2 hours.
Weight: 111.28 g
Size: 15.510.5*1.9 cm
1 × 2800mAh Mobile Power Station for iPhone 4G 3G/3GS