One of the worst things that may happen when talking with a VIP is to have your mobile phone battery die while in the middle of an important conversation during a trip? The External Battery is created to provide backup power for various mobile devices on the market, including iPad, iPod Touch, iPhone 4S/4G/3Gs/3G, Samsung Galaxy III, Samsung Galaxy Note, Blackberry, HTC Android Phones, Nintendo DSi/DSl, Sony PSP, Kindle e-reader, Kindle Fire, Nexus 7, Microsoft Surface… The lightweight and compact Portable Power Bank allows you to take the mini power source in your pocket. Toss your various chargers and cables away! Fully enjoy your mobile gadgets without worrying about power off. All you need to do is plugging in! So easy!