Amazon.com has 8-Pack Panasonic Eneloop AAA Ni-MH Pre-Charged Rechargeable Batteries (BK-4MCCA8BA) for $15.96. Shipping is free with Prime or if you spend $35 or more.
eneloop Ni-MH “Low Self Discharge” batteries utilize Panasonic’s advanced rechargeable battery technology allowing them to be recharged up to 2100 times. eneloop battery cells deliver consistent power performance, maintain 70% of their charge for up to 5 years*, come pre-charged by solar power (at the factory) and are ready to use out of the package. These eneloop cells also have increased storage life and extreme temperature performance down to -4 degrees Fahrenheit.
- Recharge up to 2100 times
- Maintain up to 70% of their charge after 5 years (when not it use)
- 800mAh type, 750mAh 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