Rayovac Alkaline batteries are a great choice for powering up your electronic gadgets. Rayovac batteries are long-lasting power sources and are ideal for daily usage. You can use these alkaline batteries to run a wide range of devices, from toys and games to flashlights and smoke alarms. These mercury-free alkaline batteries have a Ready Power technology and are guaranteed to hold their power for 10 years in storage. Rayovac Alkaline batteries last as long as Duracell Coppertop and Energizer Max and cost less! Rayovac is so confident in the performance of their batteries that you’ll get your money back if their Rayovac batteries don’t last as long as any other standard alkaline battery. Just return the used batteries, the original packaging and the receipt (postage prepaid) for a full refund. Limit one per household. Call 1-800-891-6091 for mailing instructions and further details.