Panasonic eneloop Eneloop Sanyo NiMH Rechargeable AAA Battery, 950mAh, 1.2V

eneloop XX batteries are the perfect choice for powering high current consuming devices such as photo strobe flash lights; providing more than twice the number of flashes per recharge in less than half the time compared to conventional alkaline batteries!.
Wireless keyboards, mice, game controllers, radio controlled toys and a range of household devices can all realize extended performance when powered by eneloop XX batteries

Low self discharge rechargeable battery
Size AA: Minimum capacity 2450 mAh
Size AAA: Minimum capacity 900 mAh
Provides high power performance down to sub-zero temperatures (as low as -20°C)
Can be recharged up to 500 times
Combines the best features of AA alkaline (ready for use) and rechargeable (reusable) batteries
Factory pre-charged by solar energy and ready to use right out of the package
Maintain 85% of their charge after 1 year of storage
Stable voltage with longer power life than alkaline batteries
No memory effect - batteries can be recharged when fully, or partially drained
Provide long lasting power while saving costs

Unlike regular alkaline batteries which can only be used once the eneloop XX batteries can be recharged up to 500 times