When was the last time your iPhone battery ran out of life when you needed it the most? This common occurrence has happened to all of us at one time or another. And each time it seems to be even more frustrating than the last. Thankfully, having a stockpile of quality charging cables and devices can help ease the issue and help you get back to browsing, chatting, calling, playing and more in short order. Here is a list of four of our favorite iPhone chargers.