MIDDLETON, Wis.--(BUSINESS WIRE)--Spectrum Brands Holdings, Inc. (NYSE:SPB), a global consumer products company with market-leading brands, today announced the introduction of Rayovac’s outdoor portable charging line. Just in time for the holiday season, the Rescuer™, the Adventurer™ and the rechargeable Power Pack duo will be available online and in stores starting in December 2014. Built for demanding outdoor use, Rayovac’s latest devices provide consumers the power they need at a price they