Applicable to various vehicles: It's automatic battery chargers for cars, motorbike, lawn mowers, tricycles, electric vehicles, agricultural vehicles, off-road vehicles, pickup trucks, boats, etc. Microprocessor Control (CPU). 7-STAGE AUTOMATIC CHARGING: This is a fully automatic battery charger with 7 charge stages. Automatic charging protects your battery from being overcharged. So you can leave the charger connected to the battery indefinitely. 7-stage chargers are suitable for most battery types including Calcium, Gel AGM, LiFePo4, Wet, lead Acid batteries. They may also help restore drained and sulphated batteries. Types of batteries: Most types of lead acid batteries including Calcium, Gel AGM, LiFePo4, Wet, lead Acid, etc.. Switchmode technology: Yes Polarity protection: Yes Output short protection: Yes Non battery link protection: Yes Over voltage protection: Yes Over temperature protection: Yes Cooling: Fan Input voltage: 100-240V AC, 50-60Hz Rated output: 12V 12A , 24V 6A Minimum start voltage: 8.0V Battery range: 6-200Ah Thermal protect: 65'C+/-5'C Efficiency: App. 85 Percent . Compliant standards: CE, IEC60335, EN61000, EN55014 Dimension (L×W×H): 170×100×65mm Weight: 720g Automatically detect the ambient temperature. The charger will automatically adjust the charging voltage according to the ambient temperature, so that it can be fully charged in winter and not overcharged in summer. Below 10 Degree C, it will automatically enter winter mode. 28 and above will automatically enter the summer mode. Prevent children from accidentally touching, let you charge with confidence. Start timing when the product is charging, and the button will lock automatically after about 30 seconds. In the locked state, the button can be unlocked by removing the clip.