Description Smart Charging This is a fully automatic battery charger. Automatic charging protects your battery from being overcharged. So you can leave the charger connected to the battery indefinitely. chargers are suitable for most battery types including Calcium, Gel and AGM, and Wet batteries. They may also help restore drained and sulfated batteries. Types of batteries: Most types of lead acid batteries include forCalcium, GEL and for AGM, Wet, EFB, etc. Feature: Touch switch mode technology: Yes Polarity protection: Yes Output short protection: Yes Nonbattery link protection: Yes Over temperature protection: Yes Short circuit protection: Yes Overcurrent protection: Yes Overheat protection: Yes Fire protection: Yes Low voltage protection: Yes Over voltage protection: Yes Reverse protection: Yes Electric shock protection: Yes Cooling: Fan Specification: Input voltage: 100-250V AC, 50/51Hz Rated output: 12V/6A Battery range: 2-100Ah Power: 200W Display: Voltage, current, temperature, completion Note: This Charger is for battery capacity between 2AH to 100AH Pls, check the capacity (AH) of your battery before buying the charger! Thanks!