? Microprocessor Control (CPU). ? 3-STAGE AUTOMATIC CHARGING: ? 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 lead acid batteries including Calcium, GEL and AGM, Wet,EFB, etc.. ? Switch mode 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 8A 24V 4A ? Minimum start voltage: 2.0V ? Battery range: 6-150Ah ? Thermal protect: 65'C+/-5'C ? Efficiency: App. 85%. ? Compliant standards: CB,CE, IEC60335, EN61000, EN55014 ? Dimension (L��W��H): 170��98��58mm ? Weight: 560g