Nov 26, 2012 8:20 AM
With iOS 6 wifi connectivity problems still rampant among Apple products, iPhones are running out of juice quickly. Constantly searching for wireless drains battery life, so keep one of these Portable iPhone 4/4s* Chargers ($35) on you while you're out. A quick charge at home gives the lithium battery the power to extend your iPhone's waking life up to three extra hours.
*iPhone 5 chargers will be available in January!