Feature:1. Smart automatic charging, prevents overcharging of the battery, you can leave the charger connected to the battery indefinitely.2. Applicable to most types of 2150Ah batteries, including calcium, gel and AGM, wet batteries, EFB, etc.3. It can help restore exhausted and sulfated batteries, effectively extending battery life.4. With protection against polarity, overheating, short circuit , overcurrent and overheating, etc.5. With display to show voltage, current, temperature, maintenance, completion and reverse.Specification:Item Type: Car Battery Charger Material: ABSCharacteristic:Touch Technology Mode Switch: YesPolarity Protection: YesShort Protection Output: YesNon Battery Connection Protection: YesOver Temperature Protection: YesShort Circuit Protection: YesOvercurrent Protection: YesOverheat Protection: YesProtective Fire: YesReverse Protection: YesElectric Shock Protection: YesCooling: FanSpecific:Rated Output: 12V / 8A, 24V / 4ABattery Range: 2-150AhPower: 140WDifferent Modes: Auto / motorcycle / AGM / GEL, etc.Mode: Summer / winterThermal Protect: 65 +/- 5Compliance Standards: CE, FC, Rohs, PSE.Package List:1 x Car Battery Charger 1 x ManualNote:This Charger is for the battery capacity between 2AH to 150AH. Pls check the battery capacity (AH) before you buy the charger! Thank you!