Needing a multitude of chargers for ebookreaders, tablets, smartphones, USB-power-banks, flashlights just didn’t feel right and so I first used a cheap 10 port USB hub from aliexpress – but kept having problems with a good electric connection. As it turns out the hub doesn’t have any nibs on the contacts.

Buying a brand name (D-Link) active (so you can inject the necessary power) USB hub seemed the way to go – just to learn that it needs a connection to a computer to power up the 7 ports.

Some circuit bending took care of the issue: