Mwave offers the Energizer AC Battery Charger, model no. CHVCMWB-4, for $11.90 with free shipping. Aside from the mention below, that's the lowest total price we could find by $2. It recharges AA and AAA NIMH rechargeable batteries, and four AA batteries are included.

A close price: Amazon sells this charger for $13.27 with free shipping via Subscribe & Save.