From the Manufacturer
250/185/60/40/2A, Text feature/2 hr. timer Charges automotive batteries in 3 to 5 hours - 6/12V. Engine start helps start cars, trucks and equipment in the most severe weather conditions. Charges maintenance free and conventional batteries used in cars, trucks, farm equipment, boats, RV and commercial applications. 2 amp setting is ideal for charging 12 volt motorcycle and lawn mower batteries. Extra long, 6' copper output cables. Heavy duty clamps grip securely on all batteries. 5 year limited warranty.