(on Facebook)
Simply head on over to their Facebook page and "like" them if you haven't already.
Sometime between 10am CT - 5pm CT on 2/22 Rayovac will release a giveaway
for the first 1,000 people to request will get a Free 4 pack of batteries.
Keep an eye on your FB newsfeed and their page if you want to score this freebie.