This is a fully automatic battery charger with 3 charge stages. Microprocessor control. 3-stage chargers are suitable for most battery types including Calcium Gel and AGM Wet batteries.Features:This is a fully automatic battery charger with 3 charge stages.Automatic charging protects your battery from being overcharged. So you can leave the charger connected to the battery indefinitely.3-stage chargers are suitable for most battery types including Calcium Gel and AGM Wet batteries.They may also help restore drained and sulphated batteries.Types of batteries: Most types of leading acid batteries including Calcium GEL and AGM Wet EFB etc.Specifications:Switchmode technology: YesPolarity protection: YesOutput short protection: YesNon battery link protection: YesOver voltage protection: YesOver temperature protection: YesCooling: FanInput voltage: 100-240V AC 50-60HzRated output: 12V DC 5-6A Max.Minimum start voltage: 8.0VBattery range: 4-100AhThermal protect: 65'C+/-5'CEfficiency: App. 85%.Item size: 150 * 85 * 60mm / 5.9 * 3.3 * 2.4inItem weight: 380g / 0.84lbPackage size: 217 * 110 * 65mm / 8.5 * 4.3 * 2.6inPackage weight: 480g / 1.06lbPackage List:1 * Car Battery Charger