La Crosse BC-9009 Battery Charger with LCD
for $29.99 after coupon code NOTDEAD. Shipping is $7.69 for a total of $37.68 shipped. Here is a screenshot for reference. This battery charger has 4 operating modes: charge, discharge, refresh, and test. The kit includes 4 AA and 4 AAA NiMH rechargeable batteries. Most places have it for about $44.