12V intelligent pulse repair battery charger, model RJ-C120501A, designed for maintenance and charging. Compatibility: Suitable for 12V lead-acid batteries with a capacity between 4Ah and 100Ah. Power Output: Provides a maximum output current of 6A with a voltage range of 13.8V-15.5V. Features: Features intelligent pulse repair technology and a wide input voltage range of AC 110-230V.