The Schumacher 2 Amp/15 Amp/100 Amp Sports Power Battery Starter and Charger for your truck, SUV or van. The Schumacher Sports Power Charger is designed for use with both 6 and 12 volt batteries. This versitile starter and charger allows you the choice of 100 amps for emergency start up, 15 amps for a quick battery charge or 2 "trickle" amps for a small 12 volt battery.