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http://www.rayovac.com/consumer/moneyback.htm

Alkaline Battery Guarantee

Purchasing Rayovac batteries is a smart choice! You get the power you need and the value you want. Rayovac is so confident in the performance of our alkaline batteries that we’ll give you your money back if you are not completely satisfied! Simply send us (postage prepaid) the used batteries along with the original packaging and the original receipt to the address below. Include a 3" x 5" card with your name, address and reason for returning and your signature.*

Rayovac Performance Guaranteed
P.O. Box 9302
St. Cloud, MN 56398-9302

* Limit 1 per household. Please allow 6-8 weeks for processing.
Only street addresses will be accepted- Sorry, we cannot mail to Post Office Boxes.