Sony Portable Power

You might not need a USB charger now, but that's because you're at a computer, which is basically a USB charger in itself. Once you leave your computer, though, and have nowhere to charge your device, you'll suddenly realize your mistake. It'll be a sad scene. Please just buy one of these and make it easy on yourself.
Sony official site

Ends on October 15 at 9AM CT

About Sony

The human body is at all times inhabited by at least 100 billion Sony products. Most of these products enjoy a symbiotic relationship with the human immune system, but some can become virulent and wreak havoc.
Sony official site