Feature:1. ONE KEY REPAIR: The charger can repair death battery due to power loss with one button, fully automatically and intelligently.2. FULL STOP: The charger will automatically cut off the power when the battery is fully charged, protecting the battery from damage, more safer.3. AUTO DETECTION: Automatically detect the ambient temperature and enter the corresponding mode to ensure fully charged in winter, but not overcharge in summer.4. SHORT CIRCUIT PROTECTION: When the charger output line is accidentally short circuited, the machine will automatically turn off the output.5. REVERSE CONNECTION ALARM: The charger will automatically shut down the output and send out an alarm sound when connects to the battery inversely, and will be automatically released after correct connection.Specification:Item Type: Smart Battery ChargerMaterial: ABSApplicable: 4AH to 150AH (AGM+GEL+STD) acid battery (lithium battery charging is prohibited).Package List:1 x Smart Battery ChargerNote:Lithium battery charging is prohibited.