The Karbonn polymer power bank is designed for those who never want to run out of charge in their device. This stylish and sleek power bank with 10000mAH power is perfect for on the go charging without any inconvenience. Available is black, white and golden colors, this lightweight power bank is a must have device for those who wish to work uninterrupted. Insert your micro SD card into the concerned slot to use this power bank as an external storage device. Use this power bank's LED torch to illuminate dark rooms.