No alkaline battery. Lasts longer (on average across ANSI tested 9V device). We've spent over 110 years thinking about batteries so you can think about home less. No alkaline battery lasts longer than Rayovac fusion (on average ANSI tested 9V devices) - plain and simple or you money back (Money back performance guarantee). 5 year power guarantee in storage. Performance guarantee. Guaranteed to last longer in todays most powder hungry devices (Money back performance guarantee) vs Rayovac high energy. Contact 1-800-891-6091 or www.rayovac.com/mbg for more details. Restrictions apply. 100% recyclable card. See battery for country of origin.