Sanyo's brand new Eneloop are now available in the UK. They come charged, ready to use, and their special technology allows them to retain their charge for much longer than ordinary NiMH batteries. And if you're not convinced just by superior technology, Sanyo's Eneloop batteries come in some of the coolest packaging we've seen on any battery yet

Individual Battery Details (AA NiMH Rechargeable Battery)
Battery Technology: Nickel Metal Hydride (NiMH) (Rechargeable)
Capacity Range: 1300.0mAh - 2700.0mAh
Diameter: 14.5mm
Height: 50.0mm
Voltage: 1.20V
Weight: 24.0g