Whether you want a pocket-size battery to top off your devices or a large power bank to juice up your laptop, power banks are very useful additions to your day-to-day kit. All of the power banks below can charge a plethora of devices, but we all know their primary function: to be ready when your smartphone battery dies at the end of the day. It’s a lifesaver for your 21st-century routine. Power Bank has 10000 mAh lithium polymer cell battery. It comes with dual input options – One input with 2a type-c and other with fast charging 2a micro usb port .It is a perfect backup source of power for your mobiles and other gadgets.