Micro USB Charging Cable with Power Switch
Now available from PMD Way are these useful Micro USB Charging Cables with Power Switch.
Yes, a USB cable with a nice switch. USB plug on one end, micro USB plug on the other. Perfect for Raspberry Pi, Arduino or other development boards - or turning off charging to a USB-powered device.
Cable is 1m long and rated for 3A of current. Please note that this cable only handles power and not data.