Optimate 3 ChargerCaracteristicas: Fully electronic, lighter weight, global input (100 240Vac 50 60Hz), fully sealed, more advanced desulfation and maintenance program Suitable for all types of 12V lead acid batteries of rated capacity from 3 to 50 Ah Diagnoses sulfated battery condition Recovers severely neglected batteries from as low as 2 Volts Automatic hourly tests advance warning of problems Maintenance interactive float charge, max 800mA possible No risk of