The Macmerise Power Bank is a universal 4000 MAH portable power charger which can charge your phone 2-3 times depending on the phone. The power bank has 2 output USB ports which enables you to charge 2 devices at the same time. The Power Bank has the LED Notification which helps you to monitor the existing battery. Apart from the phones, you can even charge your other electronic products which can be charged via USB. The best part about the power bank is the awesome design range that it offers. High Quality razor sharp printed vinyl is wrapped around the power making your device stand out amongst the rest. Well if your phone has a phone case increase its coolness quotient then why deprive the power banks a chance to look uber cool!