Duracell Rechargeable Batteries with Duralock Power Preserve Technology.
Duracell Rechargeable AA Pre-Charged batteries let you charge hundreds of times, helping you save hundreds of dollars and are 50% longer-lasting per charge.* With a Long-Life Ion Core you get more power in every battery. They come pre-charged and will hold their charge longer than ever before.** Plus, they are guaranteed to last for 5 years and, with Duralock Power Preserve Technology, they'll hold a charge for up to 1 year when not in use. These powerful NiMH batteries work in any NiMH charger and you can recharge them up to 400 times. With a longer-lasting charge and fewer recharges, Duracell Rechargeable AA Pre-Charged batteries really do set themselves apart from the rest.*Duracell NiMH AA vs. 1350mAh within the first 200 cycles. **Vs. 2000 mAh cells in the same device.