Kensington's latest iPod and iPhone charging solution, the Charging Dock With Mini Battery Pack for iPhone and iPod ($70), combines the previously released Mini Battery Pack with a simple dock that lets you charge both the battery and an iPhone or iPod. The gray rubber and white plastic dock has a USB port on back, nothing else, and a Universal Dock well in front; you supply Universal Dock Adapters for any device save for the iPhone 3G or 3GS, which…