Opti Mate 5 Start/ Stop, the perfect power charger & maintainer for your car, pick-up truck & your Vtwin motorcycle or 4 wheeler (ATV/ Side by Side) – 24-7 battery care for medium to large 12V batteries! Features Ideal for start/ stop & deep cycle applications Low-volt start of 2V & one-step desulphation recovery Perfect for months-long maintenance of any size 12V lead-acid battery from 15 Ah-192 Ah Constant 4A charging current Functions in cold temperatures down to -20 °C (-4 °F) Global (100V-240V, 50 Hz-60 Hz) input, fully sealed Weatherproof case with wall mounts, weatherproof battery lead & standard battery clip set included Automatic shut-down if battery short circuits or disconnects Ideal for AGM, GEL & STD 12V batteries from 15 – 192 Ah. Charging Amps: 4A (Constant current, temperature compensated) Charging Volts: nominal: 12V range: 2V – 14.4V Operation: Fully automatic Comes with EU-plug