Panasonic K-KJ17MZ104A Eneloop Power Pack for 10AA, 4AAA Colored Cells Advanced Battery Charger is only $25.99 as an Amazon Gold Box Deal.  

• Recharge eneloop cells up to 2100 times
• Maintain up to 70% of their charge after 5 years (when not it use)
• Up to 2000mAh, 1900mAh min, Ni-MH pre-charged rechargeable battery
• 4 position charger with advanced, individual battery charging; charges both AA and AAA cells
• Battery detection technology – automatically shuts off when charging is complete