The Portronics Power Box 5K POR-804 5000mAh Power Bank features a massive 5000 mAh battery which can charge your tablet or Smartphones multiple times. There is 6-level protection from short circuits, current and voltage overloads and protection against overheating and wrong insertion. It also has LED indicators to find the status of charge ensuring you exactly know so that you don't run into surprises. This battery bank has nice rugged and compact body with matte finish. It's easily carried in your pockets without any visible bulge. Battery Type: Li-Polymer Smart LED Indicator and 6 Level Protection Output Power: 5V-2A Number of USB Port: 1