Skip to main content
2 events
when toggle format what by license comment
Aug 21, 2017 at 11:45 comment added Tor-Einar Jarnbjo Larger power banks are often charged through a coaxial DC connector, since it would take very long to charge them with the limited power from a USB supply.
Aug 21, 2017 at 6:43 history answered Jan CC BY-SA 3.0