Charger Mini Genius 6/12V .75A. A 6V and 12V battery charger and maintainer. Charges lead-acid batteries up to 30 amp-hours. Recovers deeply discharged batteries down to 2-volts. Spark-proof technology and reverse polarity protection. Built-in battery desulfator to recover worn-out batteries. Safely monitors battery actively with zero overcharge. Suitable for start-stop and CANbus vehicle systems. Advanced diagnostics indication for damaged batteries.