Rayovac batteries coupon! On 3/9 (tomorrow) you can snag a Rayovac batteries coupon good for a FREE 9V Lithium batteries! Head to Facebook at 1 pm Central Time to snag your Rayovac batteries coupon! There are only 3000 free product Rayovac batteries coupons available, so be quick! ***Be sure to “like” Coupons & Freebies Mom on Facebook for MORE FREEBIES!