Today only, Jan 13, 2013, Woot has the Sanyo Eneloop 8-Pack AA Rechargeable Ni-MH 2000 mAh Batteries and Sunpak SP-CHARGER-01 4-Position AAAAA Charger for $22.99 (62.98 – 63% Off) for limited time. Shipping adds $5.

The new rechargeable Eneloop can be recharged an approximately 1,000 times (including partially) without experiencing memory effect. It can be used in freezing -20°C temperatures and is more environment-friendly as it is pre-charged with solar energy in Japan.