Ready for the last weekend before school starts? At least that’s the case here on the east coast. Mophie wants you to spend your last free weekend shopping and they’re giving 25% off a wide variety of items to get you motivated. The Juice Pack Air extended battery case for the iPhone, normally $79.95, is now on sale for $59.95. The Workbook Case for the iPad 2, normally $49.95, is currently on sale for $39.95. These are but a few of the deals going on. Head to the Mophie web site to see them all. But hurry. These deals expire Monday August 29th at 9 AM EST, just like your summer vacation.