8-STAGE AUTOMATIC CHARGING:This is a fully automatic battery charger with 8 charge stages.Automatic charging protects your battery from being overcharged. The main body is made of aluminum alloy, which is strong and durable; Large-screen color display: Large-screen color display allows you to view charging status from a distance; Charging curve: newly upgraded to 8-stage intelligent optimized charging, which is more friendly to the battery; Charging current optional: 2A, 8A, automatic, 20A, 25A, wide applicability; The BOOSTER (car assist start) function makes car starting worry-free; The hand feel is improved, there is a sense of weight, and the recognition of high quality is stronger; Application scenarios: cars, motorcycles, snowmobiles, golf carts, scooters, ATVs, trucks, RVs, etc. Types of batteries: Most types of lead acid batteries including Calcium, Gel AGM, EFB,Wet, LiFePO4,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 25A , 24V 15A Minimum start voltage: 5.0V Battery range: 6-400Ah Thermal protect: 65℃+/-5℃ Efficiency: App. 85% voltage:AC100-240V Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. Color: Black & Red Material: Aluminum Alloy Package Contents: 1 x Smart Charger