The Optimate 6 Select Charger is the powerful charger that charges the full potential in your 12V spiralcell/ closed start-or deep cycle high performance batteries - the powerful “5 amp”charger for every temperature.  - Ideal for AGM, GEL & STD 12V batteries from 3 - 240 Ah. - Charging Amps: 5A (Ampmatic current) - Charging volts: nominal: 12V range : 0,5V - 14.4V - 9 Step charging process - Fo - Laadvoltage is nominaal 12V met een werkgebied van 0.5V - 14.7V  - 9 Staps laadproces -  For recovery, start with a low voltage of 0.5V + two-phase desulphation - Weatherproof battery lead & battery clip set.  - Lowest operating temperature is -40°C