Originally Posted by
Shimagnolo
Here is an example:
"Compatible with the new 12" MacBook (5 hour recharge time), Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices
except for the iPod nano, iPod Classic, iPod Shuffle, HP TouchPad and Asus tablets."
Source:
https://www.anker.com/products/A2124111
Ahh.
Old devices, it would seem.
My Asus Nexus 2013 7 charges just fine.