Northern Tool offers the Schumacher Wheeled 12-Volt Battery Charger, model no. SE-4022, for $144.99. Coupon code "250647" drops it to $124.99. With free shipping, that's the lowest price we could find by $22. It features 2-amp trickle charge, 40-amp rapid charge, 10-amp rapid charge, and 200-amp engine start settings. Deal ends April 11.