Get Free Duracell Coppertop AA/AAA 16pk & 24pk batteries at Office Depot or Office Max after rewards! Rewards are limited to 2 items per member. This offer is valid in-store or online until 4/20 or while supplies last. Office Depot & Office Max Rewards members earn 2% back in rewards, and VIPs earn 5% on ink, toner, paper, and copy/print/ship services every time they shop. Rewards certificates are issued monthly once $3 or more is earned.