Model PL4020 is a perfect charger to meet the needs of mechanical repair shops, collision repair facilities, fleet operations, marinas and consumers. It features four independent output channels designed to properly charge a flooded or AGM battery. Because each output is independent of the others, a troublesome battery on one channel does not create problems for the other channels. It combines fully automatic operation with the ability to properly charge multiple battery types. Advanced charging logic, robust components, quick set-up and smart display feedback mean effective and efficient charging for your operation.