Moofi, a Woot secret site, has the Sanyo Eneloop 8-Pack AA Rechargeable Ni-MH 2000 mAh Batteries and Sunpak SP-CHARGER-01 4-Position AAAAA Charger for $17.99 (62.98 – 71% Off) for limited time. Shipping adds $5. Deal expires April 4, 2013.

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.