$1/1 Rayovac Batteries Coupon Reset (FREE at Walmart) January 14, 2011 This post may contain a link to an affiliate. See my disclosure policy for more information. Yay! The awesome $1/1 Rayovac Batteries coupon reset again! Walmart has the 4 packs regularly priced at $0.97 near the registers, so FREE after the coupon! Thanks, Eeendeavors!