The Century K3149-1 Automotive battery charger has features found on most commercial chargers at a price that can't be beat. A 200 amp 12v engine start helps start stubborn Engines and a 40 amp high, 20 amp medium and 2 amp low 12v charge settings for maximum range for automotive flooded batteries. 130 amp start and 40 amp high 6v charge setting for farm and fleet duty batteries. A Low 2 amp setting is ideal for charging 12 volt motorcycle and lawn mower batteries. The Test feature identifies 12V battery and alternator problems, as well as indicates battery state of charge. Charges 6 & 12 volt maintenance free, conventional wet, deep cycle, AGM, and gel batteries used in cars, trucks, farm equipment, RV, boats and commercial applications. Charges automotive batteries in 1 to 3 hours. Large, easy to read 3” Ammeter and Voltmeter help monitor charging progress and identify problem battery conditions. Two hour timer with hold position makes charging for long periods a snap. Heavy duty insulated clamps grip securely on all batteries and safely store on clamp holders. Heavy duty semi pneumatic wheels and chrome handle. Six foot, 6 gauge copper output cables. 5 year limited warranty on transformer & rectifier, 2 years on unit, and 1 year on cables.