Ambrane Power Bank P-1000 is a powerful 'Two OUTPUT'powerhouse with inbuilt 'SAMSUNG CELLS'having a battery capacity of 20800 mAhthat can charge almost all your smart devices. This 20,800mAh Power House by Ambrane will never let you down even when you are travelling long distances without any stable source of electricity at hand. Be it a road trip or backpacking, you will never have to worry about the battery in your phone or any other smart device you have. it has triple output - Standard USB-A connector 5V/1A and 5V/2.1A, 5V/2.1A with a micro input of USB 5V /1.5A (Max). The battery charging time is overnight and a battery cycle life of over 500 times. It's a high efficiency, widely compatible device that saves electricity and is protected against over current, over heat and over voltage. It can charge regular smart phones more than 8-10 times. Now live a life free of hassles with this Power House power bank by Ambrane.