mobile power bank 1,Actual capacity 13000mAh 2,warranty 1 year 3,Proprietary brand 4,Portable journey power bank Special Designed for iPad2 /iPad, all iPhone versions ... Li-Polymer battery ,over 500 times life cycleUilt-in proprietary software to control and regulate temperature, voltage ... ,safe and high efficiencyClear & simple design ,mobile and portable colorful portable mobile power bank 5000mah