100% Original Pineng Power Bank (1 year warranty) Key Features: input DC4.8~5.4V 1.2A(max) output 5V~1A， 5V 2.1A capacity 10000mAh 37Wh Adopt Japanese high efficient boosting technique and battery protection IC. LCD display to indicates charging/discharging status and residual power. Built-in intelligent voltage recognition chip automatically detects the voltage and current of different kinds of digital products. Protective design to prevent over charging， over discharging and short circuit， and also high temperature protective design. Enclosed 3 connectors， compatible with 95% mobile phones in the market. Size: 108*72*22mm Compatible with : iPad 1/2/3， iPhone 4/4S， 3Gs/3G， and iPod touch All cell phones with micro USB connection， such as Blackberry， HTC， Samsung， Motorola， LG， etc. E-readers， such as Kindle， Nook， etc. Gaming devices， such as Nintendo DS， Sony PSP， etc.