20 Volt USB power banks for mobile phones adaptor for LIDL power drill battery packs

[hzcruiser]

Originally Posted by hellosailor

[...]

Those are all obsolete legacy things now, USB3 (3, 3.1, 3.2, it keeps growing) specs are here now and "USB" voltage can now range to 20 volts. The old days of 5.0 volts at 500mA are still with us, but that's way behind the times.

[...]

How can standards like USB1 or 2 be obsolete if there are still millions of devices out there using it and being plugged into whatever physically compatible USB port the user finds? Hence every compatible output has to be careful / negotiate how much current the end device can handle.

The argument of 20V is only relevant for USB-C and is covered in the Wiki as well.



So let's try and stick to the topic of "using a power bank for mobile phone charging", shall we?