Schumacher 12 V 22 Amp DSR Jump Starter is a DSR professional-grade jump starters feature high-output AGM batteries, a 3 amp built-in automatic charger for faster recharges that will not overcharge, and reverse hookup alarm, 2-function digital display that indicates internal and vehicle battery voltage, percent of charge, and charging system voltage while engine is running. It is non-spillable and stores in any position and includes a rust and corrosion proof case.
