Due to extraordinary high demand this model has become temporarily unavailable.
As an alternative we recommend the same charger with two cells - model NC-MQN04ATG-2SP-S

This charger is from Sanyo, the world's largest manufacturer of portable rechargeable batteries including Eneloop features:

• 240VAC input via wall mount input plug
• Charges 2 or 4 AA or AAA NiCd or NiMH cells 
• Built in safety timer control
• Temperature control/protection
• Can charge AA cells up to 2700mAh capacity
• Includes 4 x Sanyo HR-3UTG Eneloop AA NiMH cells

Charge time for included batteries is approx' 8 hours.

NCMQN04A20-4S