Ultra Pro batteries are guaranteed to be long lasting — plain and simple or your money back*. Ultra Pro 9V alkaline batteries perform in high use equipment like smoke detectors and wireless devices. The packaging is easy to open and helps protect and organize the batteries so they're ready when you need them. Plus, with a 5 year shelf life, you can depend on Rayovac Ultra Pro for the long haul. *Money Back Performance Guarantee: Visit manufacturer website for details. Restrictions apply