There may not be many free samples, but bring on the store promotions!

Buy a 20 pack of Duracell batteries and get 100% cash back in Staples Rewards. Limit 2 per customer per week, while supplies last.

Offer good on item nos. 804904 and/or 804905 only (size AA or AAA, Bonus Pack 16+4). Purchase price paid for batteries will be credited to customer’s Staples Rewards account. Must be a member of Staples Rewards.

Valid for purchases between 11/27/09 and 12/26/09. Valid in store, on staples.com or by phone. Staples Rewards will be mailed in January. Not valid on prior purchases.

Remember Staples Rewards is free, so sign-up and start earning cash and points now.

Check out the promotional page for more details.