Ansmann MAX-E 2500 mah AA.  Best Low Discharge AA Rechargeable Battery

• Best of both worlds - a high-capacity rechargeable battery that is pre-charged, and maintains it charge for up to one year.
• No need to leave these batteries on the charger!
• Great for pagers, effects pedals, remotes, digital cameras, listening assist, wireless keyboards mouse, and wireless mics with run-times of up to 8 hours.
• This is a low self discharge (LSD) rechargeable battery.
• 2 yr warranty.