The Sanyo XX Powered by Eneloop AA rechargeable batteries have a typical capacity of 2500 mAh and a minimum capacity of 2400 mAh. They are perfect for using with high power consumption devices such as digital cameras. This battery comes pre-charged and therefore can be used right after purchasing. It even can be recharged up to 500 times! The Sanyo XX Powered by Eneloop AA rechargeable batteries retain up to 75% of their capacity even after storing them for a year. Check them out at Unique Photo now!