Duracell Rechargeable BatteryDuracell Rechargeable Battery. The precharged NiMH batteries with Power Preserve Technology delivers more capacity versus previous rechargeable batteries. They hold more charge and stays charged longer. Can be recharged hundreds of times. Out of package fully charged with Staycharged Technology. Holds charge for up to one year when not in use. SKU MPN OPTION DESCRIPTION Duracell NL2400B4N001 NL2400B4N001 Size AAA, 1 pk, 6pk bx, 4bx cs (UPC#66160)