Nutrend via Newegg offers the Battery Tender Junior 12-volt 0.75-amp High-Efficiency Battery Charger/Maintainer, model no. 022-0192, for $19.95 with free shipping. That's tied with our August mention and the lowest total price we could find now by $2. It's spark-proof and features a 4-step charging program, indicator LEDs, 80-hour safety timer, and 12-foot cord. Deal ends October 22.