India, Oct. 7 -- It is rare when I review simple gadgets like a power bank. Most of the time, there isn't much to talk about. You get a battery, a couple of ports and some LEDs, and that is pretty much it. I only pick up something like this when I find something interesting going on, and that is why I picked up the URBN 25000mAh Mega Stack 100W Power Bank for review.

The three things that caught my eye were the size, 25,000mAh capacity and 100W power delivery. A power bank with this much capacity that can also charge a laptop at up to 100W is already interesting, but after using it for a while, I found a few other things that make it even more useful. It is currently priced at Rs.5,499 on URBN's website and Amazon.

The first thing you n...