Duracell - Rechargeable Battery - Duralock - AAAx4 Stay Charged 800mAh (HR03) (Health and Beauty)
The self-discharge rate indicated by the manufacturer is 20% over 12 months. This is unverifiable by the user but if this is true (which I think is in the field of probable), combined with a capacity of 800mAh, while the base models are only 700mAh,