Handy, small, private power plant

Is it worth buying a Power bank?
If you never get too far away from home or work, you may never need it. But if you are going on a trip, you are planning a long conference, or you will be in a place without power supply then consider buying power bank . It doesn't take up much space and a charged one can save you from a dead end. Choosing a power bank look at how much energy you need, because it depends on what capacity you need most. And the size? Size in this case is of great importance, if you want to always have it with you, do not buy the dimensions large power bank.
What capacity does the eXtreme® EPB12-PD power bank have?
Power bank by eXtreme® EPB12-PD has a capacity of 12000 mAh and has been equipped with the latest POWER DELIVERY technology . It is thanks to this technology that your phone will be charged much faster than using these traditional power banks. Power bank eXtreme® EPB12-PD has USB-C port and two standard USB ports. This power bank has a protection system that guarantees stable and safe operation. Thanks to the use of lithium-polymer battery, the power bank's performance has increased a lot and the weight has been reduced. The high quality of the materials used to make it guarantees safe and long use. On the device's display we will be able to observe the battery charge status and the charging mode of the connected device. Charging power bank It is possible through both the micro USB and USB type-C ports. Charging devices via USB and USB type-C ports. The kit includes a micro USB cable.
Specification:
Battery: Li-Polymer
Capacity: 12,000 mAh
Input: micro USB DC 5 V - 2.1 A / Type-C (PD 3.0) DC 5 V - 3 A, 9 V - 2 A
Output: USB (QC 3.0) + Type-C (QC 3.0 + PD 3.0) DC 5 V - 3 A, 9 V - 2 A, 12 V - 1.5 A
Weight: 195 g