http://www.flipkart.com/mi-5200-mah-power-bank/p/itmeyktwtmdwptvf?pid=ACCDYYQZCED4CUZY Mrp : 599 Key Features of Mi 5200 mAh Power Bank Input and Output Overvoltage Protection Water and Corrosion Resistant (50 Kg Pressure Limit) Portable Charger 5200 mAh Capacity Protection from Overcharge and Overdischarge Protection from Short Circuit Indicator Lights