Another review by me…
Link: http://mobilitydigest.com/mobility-digest-review-xoopar-robo-power-bank-2000ma-external-battery/
Quote: "Most external batteries on the market only come with one type of connection for devices or you have to change the tips. Some companies charge you extra for other tips that you may need further adding to the overall cost of the external battery. Today for review I’ve got an external battery that can charge any and all USB devices without having to buy tips for it as they’re all included for you. The device is called the Xoopar Robo Power Bank and it comes complete with mini and micro USB connection, an Apple style connector and a standard female USB connection so you can connect any USB enabled device to it for charging. It truly is an all-in-one device that I find very useful and rather neat…"