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.
FULL STOP: The charger will automatically cut off the power when the battery is fully charged, protecting the battery from damage, more safer.
AUTO DETECTION: Automatically detect the ambient temperature and enter the corresponding mode to ensure fully charged in winter, but not overcharge in summer.
ONE KEY REPAIR: The charger can repair death battery due to power loss with one button, fully automatically and intelligently.
SHORT CIRCUIT : When the charger output line is accidentally short circuited, the machine will automatically turn off the output.
Product From USA