A pocket-size, high-capacity, best-quality portable charging option used to charge tablets, smart phones, and even laptops, but which needs more capacity to charge laptops, is a power bank. You’re on the go without a charging source, so keep this mini device in your pocket and charge your phone quickly and efficiently without using any outlets. Pisen was the first ever company to introduce a power bank, a magical device to keep IT devices charged. Take it with you on your trip and use it in an emergency. There are many types of power banks on the market; here we'll introduce you to the best and most functional ones. Some of the best power banks are the Mophie 10000 MAH, the Ven power bank with 2200 MAH, and some are in the 6000 MAH range, while others have more Megs Amperes, like the 20000 MAH. Whenever you are looking to buy power banks, be sure to check us out for many more IT industry spare parts that you and your business need. You can buy it in bulk.