1.5 V. Extra life (Delivers extra life or extra power, vs Coppertop AA in a wide range of devices) Extra power (Delivers extra life or extra power, vs Coppertop AA in a wide range of devices) Duracell's highest energy disposable AA battery engineered to provide the extra life (Delivers extra life or extra power, vs. Coppertop AA in a wide range of devices) or extra power (Delivers extra life or extra power, vs. Coppertop AA in a wide range of devices) your devices need. Convenient storage with new slide out and resealable tray. Peel. Reseal. Guarantee: If not completely satisfied with this alkaline battery product, call 1-800-551-2355 (9:00 AM-5:00 PM EST). Duracell guarantees these batteries against defects in materials and workmanship. Should any device be damaged due to a battery defect, we will repair or replace it at our option. duracell.com. Resealable. Recyclable paper.