Kemo m083 12v lead acid battery charge regulator module kemo m083 this module monitors the charge status of a 12v lead acid car battery and recharges it automatically when the voltage falls when the battery is full the module shuts off the charging process and continues to monitor the battery the module is ideal for lead acid batteries in alarm systems holiday cottages caravans campers etc to keep them constantly topped up without overcharging kemo m083 12v battery charge regulator m