MacRumors and Mophie have partnered up again to offer our readers a chance to get 20 percent off any one item sitewide on Mophie.com. With this deal, you can save money on Mophie's portable batteries, battery cases, charging cables, and more. Note: MacRumors is an affiliate partner with Mophie. When you click a link and make a purchase, we may receive a small payment, which helps us keep the...