You are viewing a single comment's thread from:RE: XTROM XB203 USB C POWER BANK - 27.000 mAh? Billiglohn-Akku original aus Made in ChinaView the full contextannalorin28 (51)in #technic • 6 years ago What is that?
that's a critical test-report on a powerbank. a powerbank is a big battery for modern phones. you can use to charge in outdoor or for travel.
Oh, I also have a powerbank,but it is smaller