La Crosse BC-9009 Battery Charger for $30 + $6 s&h

ThinkGeek offers the La Crosse BC-9009 Battery Charger with LCD Display for $34.99. Apply coupon code “1GBB” to knock it to $29.99. With around $6 for shipping, that’s tied with our February mention and the lowest total price we could find by $9, although we saw it for $2 less in January (since expired). It displays the battery’s current capacity on the LCD and features several modes, including charge, discharge, refresh, and test. Four AA and four AAA batteries are included, as well as adapters for C and D batteries.