The Schumacher SC10 Battery Charger is a reliable and efficient engine starter designed for 6-12V batteries. With a capacity of 600CCA, this charger is perfect for jumpstarting vehicles in need. Its automatic feature makes operation easy and convenient. Made in the United States, this single item charger from Schumacher is a valuable addition to any automotive tool collection. Plus, with free shipping included, it's a great deal for anyone looking to keep their vehicle's battery in top condition. Works great. 6/12v 2-6A plus 55 Amp start.