Features:

• Recharge up to 2100 times
• Maintain up to 70% of their charge after 10 years (when not it use)
• 2000mAh type, 1900mAh min, Ni-MH pre-charged rechargeable battery
• Pre-Charged at the factory using solar power and ready to use
• No memory effect - batteries can be recharged when fully, or partially discharged

Details: eneloop NiMH "Low Self Discharge" batteries utilize Panasonic advanced rechargeable battery technology, allowing them to be recharged up to 2,100 times. eneloop batteries deliver consistent power performance, maintain 70% of their charge for up to 10 years, come pre-charged by solar power (at the factory) and are ready to use out of the package. They also have extreme temperature performance down to -4 deg F.