This isn't a charger, but for anyone else who struggles with carrying multiple cables, or often has access to only one USB port, this new Kickstarter project is fantastic.
https://www.kickstarter.com/projects...imited-devices
It allows you to daisy chain multiple USB cords. Looks great, and stores neatly. Seems ideal for travel, and for those with related charging issues.
I've had something like this for years... < $3 pre-shipping now.
I don't have it on hand but I think the cable is around 5 inches. If people are curious, I can take a few photos with it and plugged into various devices.
http://centralcomputer.com/p-46870-y...teproduct.aspx
I think Unitek is the original manufacturer
USB
http://centralcomputer.com/p-46868-y...teproduct.aspx
Mini
http://centralcomputer.com/p-46869-y...teproduct.aspx
Micro
http://centralcomputer.com/p-46870-y...teproduct.aspx
non-Lightning Apple
http://centralcomputer.com/p-46872-y...teproduct.aspx
Been a Central Computer physical store customer for years. They're legit and serve a niche in Silicon Valley.