12V Battery charger and tester suitable for both lead acid & gel batteries. Automatic charge without any supervision. Maintains full charge at 100% with Floating Process. 2 levels of charging current (2 A / 4 A). Visible charge level (3 LED indicators). For starting batteries from 10 to 60 Ah. Protection of on-board electronics: - Overvoltage protection - Safe to charge without disconnecting the battery.