Features： 1、LCD Display: The built-in LCD display allows you to easily monitor the charging status, voltage, and current of your battery, ensuring safe and efficient charging every time. 2、Flame-retardant Housing: The charger is housed in a flame-retardant casing, providing an extra layer of safety and protection against potential fire hazards. 3、Automatically detects environmental temperature, and based on the temperature, the charger will automatically adjust the charging voltage to ensure sufficient charging in winter and insufficient charging in summer. 4、Repair function: Activate and maintain the battery, activate the battery in repair mode, solve problems such as battery feeding/inability to charge/high internal resistance, etc. 5、Scope of Application: 6V 2AH-60ah 12V 4AH-100ah lead acid battery (lithium battery prohibited). Specification： Specification: Item:?Intelligent Repair Charger Output Voltage: 6V 12V Scope of Application: 6V 2AH-50ah, 12V 4AH-100ah storage?battery (storage?battery only) Output Cable Length: 65cm Input Cable Length: 85cm Item Size: 161*73*60mm/6.34*2.87*2.36inch Package Size: 24*11.9*7.1cm Package Weight: 630g Package List： 1 * Battery Charger 1 * User Manual