1、Multi-Voltage:12V and 24V Auto-voltage Detection 2、7-STAGE AUTOMATIC CHARGING:This is a fully automatic battery charger with 7 charge stages,There is a running lamp design (this design is at which stage of charging and at which stage the lamp is on) 3、Automatic charging protects your battery from being overcharged. So you can leave the charger connected to the battery indefinitely. 4、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. 5、Types of batteries: Most types of lead acid batteries including Calcium, Gel AGM, LiFePo4, Wet, lead Acid, etc. Features: Multi-Voltage:12V and 24V Auto-voltage Detection 7-STAGE AUTOMATIC CHARGING:This is a fully automatic battery charger with 7 charge stages,There is a running lamp design (this design is at which stage of charging and at which stage the lamp is on) 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. Types of vehicles:Car , Motorcycles , Trucks，Lawn Mower , Pickup , RV，Boat . Alvs and more. Specifications: Plug:EU,US for optional 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 10A , 24V 5A Minimum start voltage: 8.0V Battery range: 6-180Ah Thermal protect: 65'C+/-5'C Efficiency: App. 85%. Compliant standards: CE, IEC60335, EN61000, EN55014 Dimension (L×W×H): 170×110×65mm Package size235*130*72mm Package Weight: 655g Packing List: 1XCar Battery Charger 1XCar Battery Charger