Tag - smartphone charging

Powerbank – an unnecessary or useful gadget?
Powerbank – an unnecessary or useful gadget?

Thinking about buying a powerbank, but not sure if it is a good solution? Read our article and find out the advantages of this device!

What parameters should a good powerbank have?
What parameters should a good powerbank have?

Powerbank is a GSM accessory, which allows to charge a mobile device without access to electricity. How to choose the right model and what parameters to pay attention to?