The AA low self-discharge 2100 mAh NiMH rechargeable batteries have the following advantages:

• AA 2100 mAh energyON extremely low self-discharge rechargeable battery
• Ready to use, retains capacity even after 12 months
• 80-85% of charged capacity retained after 6 months, 70-80% capacity after 12 months
• Less than 1/2 penny per recharge compared to up to $1 or more per single-use alkaline
• Can be recharged up to 500-1000 times depending on discharge and charge current and working condition
• Specifically designed for power intensive devices such as digital cameras, MP3 players, Game Boy, CD players, global position System, toys, etc.
• Ultra high-capacity batteries for super long running times
• Last 2-4 times longer than alkaline or standard NiCd rechargeable batteries
• No "memory effect" means you can charge the batteries anytime without worrying their performance and battery life
• Light weight
• No toxic metal - Completely environmental friendly
• NiMH battery will maintain a high and consistent voltage during 80% of the usage cycle