Keeping a power bank handy is essential today. Between smartphones, smartwatches, and other chargeable devices with low battery life, a power bank can keep devices going for longer. They are easy to use, just plug in your device like you normally would and your device will charge from the battery in the power bank. Anker is an inexpensive brand that makes quality devices and in this unboxing video from Bobble Tech, you can check out the power bank before you decide to make your purchase.