Shumacher SE-40MAP 10 Amp Automatic/Manual Battery Charger Solid state automatic charger has shutoff when battery is fully charged, then reduces to a maintenance level Special circuit for maintenance-free, deep cycle, low maintenance and conventional batteries Recharges automobile batteries in 3 to 7 hours and recreational deep cycle batteries in 8 to 11 hours Silicone control rectifier senses battery condition to prevent overcharge Two switches for versatility of uses and full automatic charging This product cannot be shipped to Oregon or California Not compatible with the WM-12 or EC-25 quick connect cables Solid state automatic charger has shutoff when battery is fully charged, then reduces to a maintenance level Special circuit for maintenance-free, deep cycle, low maintenance and conventional batteries Recharges automobile batteries in 3 to 7 hours and recreational deep cycle batteries in 8 to 11 hours Silicone control rectifier senses battery condition to prevent overcharge Two switches for versatility of uses and full automatic charging Product is a manual/automatic battery charger that is designed to work with 6/12 volt batteries This product cannot be shipped to Oregon or California