Duracell Rechargeable AA Batteries is designed to last longer in devices used frequently. Size: AA (MN1500 / LR06). Duracell Rechargeable AA Batteries feature high energy nickel metal hydride technology. It provides extra power across all sizes. Size: AA (MN1500 / LR06). Duracell is the world's leading producer of high-performance batteries and it always strives to find innovative and efficient ways to power your life. Pack of 2.