Nutrend via Newegg offers the Schumacher 6/4/2-amp Charger/Maintainer, model no. SC-600A, for $29.99 with free shipping. That's tied our mention from two weeks ago and the lowest total price we could find now by $7. It charges 6-volt and 12-volt batteries and features slow, medium, and fast speed settings. Deal ends May 21.