Though most smartphones today come with a really good battery capacity, a power bank is still a must. Here is URBN 10000 mAh Li-Polymer Ultra Slim Power Bank for Rs. 699.
You can buy here from Amazon – https://amzn.to/2XSsPlC
This Urbn Power power bank comes with 10000 mAh Li-Polymer Battery, it is packed in a ultra slim body that makes it easy to use and carry. There are dual USB ports so you can charge 2 devices together.
The micro USB port can be used to charge the power bank. Max output is 5V/2A, this is a normal charge power bank. It is BIS certified.
The BIS certification validates that this power bank is safe for travel this clubbed with its high capacity battery and compact size, make it the perfect travel companion. There is a button and 4 led light, press the button to check the battery level.