??INTELLIGENT & SAFE CHARGING?? Fully automatic battery charger, 8-stages automatic charging process, monitor the whole charging progress, stop automatically when the battery is fully charged. Automatically detects battery sulfation and acid stratification, desulfate and charge the battery quickly. Smart trickle charge to restore lost battery performance and extendes battery life, perfect for year-round battery maintenance or long-term storage??WIDE APPLICATION FAST CHARGING?? Designed for 6v/12v lead-acid automotive, marine, and deep-cycle batteries within 4-120Ah, including flooded, gel, AGM, and maintenance-free, plus LiFePO4 batteries(only 12 FTP mode). battery maintainer and charger is a great choice for cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, and more. Also used as trickle battery charger. Upgraded 50A fuse on ring connector??LCD SCREEN & EASY TO USE?? the battery charger clearly and visibly shows LCD screen displays charging and battery status, chargi