Automatic battery charger for trucks, 12V smart maintainer with large screen1、Reliable Quality \u0026 Silent Heat Dissipation: The charger features ABS flame-retardant housing that is sturdy, durable, fireproof, and resistant to electric shocks and corrosion. It utilizes an intelligent silent fan for heat dissipation, paired with intelligent control, ensuring a quiet and comfortable charging experience. 2、User-Friendly Design: The car battery charger features a large digital display for easy reading of charging status and battery health, a unique storage design for the power cord to maintain tidiness, a portable handle for effortless mobility, and a lifted bottom bracket for optimal viewing. 3、Battery Activation: This battery charger employs high and low frequency pulse repair technology, effectively repairing and activating undercharged batteries, batteries that have been unused for a long time, and batteries that are unable to charge. 4、Automatic Stop: Simply connect the battery and plug in the power supply for automatic charging without any adjustments. The CPU\u0027s precise control and multiple protections ensure an automatic stop when the battery is fully charged, allowing you to use it with confidence. 5、Multiple Protection: This car battery charger offers a range of protection including reverse polarity, short circuit, over-current, over-heating, over-voltage, low-voltage, electric shock, and fire protection, ensuring safe and worry-free charging.