By Pankaj Mirchandani – When it comes to buying a power bank for your laptop, there are a few important things to consider. First and foremost, you’ll want to make sure that the power bank you choose is compatible with your laptop.

Watt-hours, often abbreviated as Wh, are a measure of energy capacity in a power bank. They indicate how much energy a power bank can store and subsequently deliver to charge devices such as smartphones, tablets, and even laptops. The higher the watt-hour...