Battery low? here is the list of popular power bank under Rs 699 on Flipkart

In today's time, if you ask anybody about the most important gadget, a maximum number of people will say i.e. power bank. This gadget has become as important as keeping a smartphone, mostly during the travelling time, in office or outstation. Due to innumerable number, od media option in the smartphone and their heavy use affect the battery backup and this gadget plays the role of saviour.