iPhone power station 1800 is a new high capacity emergency battery for iPhone 4S & 4, as well as iPod, iPhone3G & GS etc, which is with apple dock connector. iPhone emergency battery easy to charge your iPhone or iPod without cables. iPhone emergency battery is a miniature storage battery. When you travel or go to a business trip, iPhone emergency battery could be the best partner of you. iPhone emergency battery's compact stylish appearance and easy to use the characteristic is the best choice for your own or for gifts