Style: 6ASchumacher SC1357 Cargador/Mantenedor Automático 3Amp 6 y 12 Volts*Charges standard, AGM and gel cell batteries*Microprocessor controlled to automatically adjust the rate to charge and maintain batteryto charge and maintain.*Features multi-stage charging and auto-voltage detection*Float mode monitoring ensures optimum battery charge*Auto voltage detection for 6 or 12 volts