LB1 High Performance New Emergency Power Bank for Sony Xperia Z2 Portable External Battery 2200mAh 5V/1A Mini Universal Power Bank with Key Chain (Black) The Portable 2200mAh Mini Power Bank with Key Chain 5V/1A is a handy device that can help you avoid the hassles that come with depleted power supplies so that you can do more with all of your wireless devices. It is a simple to use extra power cell that can be recharged again and again using the USB cable that came with your device. The Portable 2200mAh Mini Power Bank with Key Chain 5V/1A is designed to be simple to transport. The power bank weighs less than 3 ounces and is just 3.5 inches long. You can easily carry it in a bag or purse and it is also outfitted with a key chain for attaching to a zipper or to your set of keys. With the Portable 2200mAh Mini Power Bank with Key Chain 5V/1A you won't have to worry about poor performance or excessive wear and tear. The mini power bank has premium microchips and a grade-A high-energy polymer lithium ion battery made by Samsung inside. 100% Customer Satisfaction. Fast Same-Day Shipping by 12:00 PM PDT. 30-Day Money Back Guarantee. 12 Months Warranty. Exclusive $100000 Product Protection Plan! Satisfies Government - School - Health care enterprise and Corporate account purchase order requirements.