Fire Power 12V / 6V 5.1A Battery Charger The Fire Power 12V 5.1A Battery Charger provides an efficient and automatic charging solution for 6V and 12V lead-acid and lithium-ion batteries. Ideal for a wide range of vehicles, including motorcycles, ATVs, boats, and tractors, it guarantees an optimal charge without the risk of overcharging. Featuring a microcontroller that actively monitors voltage and current, it ensures batteries are kept in prime condition. Its Low Voltage Mode can rejuvenate deeply discharged batteries below 2V, and a specialized Cold Mode ensures efficient charging during freezing temperatures, making it a versatile charger for all seasons. Features: 5.1A 6V/12V flly automatic battery charger for lead acid and lithium batteries Fully automatic for everyday, worry-free charging and maintaining Built in microcontroller continuously monitors battery charge conditions to provide precise charge voltage and current to give your battery an optimum charge Monitors battery to maintain a full charge Compatible with all types of vehicle batteries (cars, motorcycles, lawnmowers, boats, trucks, SUVs, etc.) Low Voltage Mode revives nearly dead batteries (under 2V by starting the charge safely Cold Mode boosts charge voltage to charge lead-acid batteries in effectively freezing weather