EPB 5200mAh Dual USB Port Portable External Battery Power Bank Ultra Compact Rubber Power Banks for iPhone Samsung Galaxy More Cell Phones and Tablets (Blue) Soft Rubber Body Design : High capacity of 5200 MAH with Cute and colorful shell design High efficiency rate,charges an iphone 3times,or other large capacity smart phone like Galaxy S4 1.5 times. 2.1A output charges your devices more rapidly. Constructed using Samsung/LG original Grade A cell and premium microchips to ensure the high quality and safety worry-free use. Compact size makes it easy to carry and fits easily into pocket; 4 smart LEDs display remaining power Certified Safe : Multi Protect safety system ensures complete protection for you and your devices