The advantages of a power bank are manifold. First, it gives you the freedom to charge your devices anywhere, anytime. Whether you’re on the road for long hours, have an important meeting or are planning a trip into nature, with a power bank you always have a reliable source of energy at hand.

• Secondly, a power bank is extremely easy to use. All you have to do is charge them beforehand, either via a power outlet or via a USB cable on your computer. Once fully charged, you can take it with you and plug in your devices whenever you need them. Some power banks even have multiple USB ports so you can charge multiple devices at the same time.

• Furthermore, power banks come in different capacities, ranging from smaller models that are sufficient for a single phone charge to larger power banks that can charge multiple devices multiple times. You can choose the capacity according to your needs and usage patterns.

At the end of each month, we determine the 10 best-selling power bank products based on the average sales charts of the largest German online retailers, and present them here.