Become a “Liker” of Rayovac on Facebook, then click the “9V Coupon” tab at the top to request a coupon for a FREE Rayovac 9V Battery pack!
From their Facebook Wall: “October is Fire Prevention Month! We want to make sure your family stays safe by offering coupons for FREE 9V batteries to change out in your smoke alarms.”
the FB page says they had problems check back in a few days.