Having this outlet gives you more freedom. You can be on the go or you can stay in the same place and still be able to charge different devices. Most of the options with multiple ports have a high capacity and therefore can handle many devices at the same time. The best option should also be able to charge at very high speeds. You need to consider the output capacity to know how long it will take before you get full power on your gadget. This is an amazing thing especially if the outlet is able to handle the charging just like the normal wall charger.
Power banks can offer fast charging, high capacity, and fast recharging. This means that you can power all your gadgets even when you do not have the traditional charging options. Always look out for the very best in the market so as to enjoy the convenience. All smartphone owners can relate to the low battery scenario, especially in places where you really need to use the phone.