One of the more traumatic experiences of modern man is that his or her his phone runs out of battery and he has nowhere to plug in the charger. It's happened to you before, right? In short, the pressure increases, our hair stands on end and the goal (p)remains only one. But it's not just phones that suffer from an empty battery. Tablets, laptops, etc. belong in the same bin. But as with any problem, there are solutions for this too. They are called portable battery chargers. In the article, you will get enough useful information to help you make a purchase decision.