These Duracell AA batteries are brand new Bulk in a box. They come pre-charged and ready for use. AA/HR6/DC1500 NiMH/1.2V/2450 mAh High performance economical nickel-metal hydride (NiMH) rechargeable cells are perfect for daily-use high-drain devices like PDAs digital audio devices and cameras. They feature up to four times the power capacity of alkaline or lithium batteries and may be recharged up to 1000 times which gives these cells an operable existence 4000x greater than disposable cells. Environmentally sound NiMH cells also last longer and operate more efficiently than otherwise comparable nickel-cadmium (NiCd) cells. When used in combination with Duracell® chargers batteries can be at full “memory effect” voltage anomaly free capacity in as little as 15 minutes. Battery Type: NiMH Rechargeable Battery Size: AAA For Use With: Everyday Electronic Devices Battery Capacity: 2450 mA-h.Unit of Measure.