TigerDirect.com has the Ultra Battery Charger Plus 4 AA NiMH Rechargeable Batteries for $10 + $7 shipping = $17 shipped. [BizRate]

Capacity: 2500 mAh (32% Longer Lasting than Standard Rechargeables)

Charge Time: 3 Hours (5 Hours for high capacity 2500 mAh batteries)