Note:Connect the battery, plugin the power supply and choose the right mode, then charge automatically. Description:Microproceor Control (CPU).1. SMART AUTOMATIC CHARGING:2. This is a fully automatic battery charger.3. Automatic charging protects your battery from being overcharged. So you can leave the charger connected to the battery indefinitely.4. chargers are suitable for most battery types including Calcium, Gel and AGM, Wet batteries. They may also help restore drained and sulphated batteries.5. Types of batteries: Most types of lead acid batteries including Calcium, GEL and AGM, Wet,EFB, etc.. Feature:Touch switch mode technology: YesPolarity protection: YesOutput short protection: YesNon battery link protection: YesOver temperature protection: YesShort circuit protection: YesOvercurrent protection: YesOverheat protection: YesFire protection: YesLow voltage protection: YesOver voltage protection: YesReverse protection: YesElectric shock protection: YesCooling: FanColor: Yellow Specification:Input voltage: 110-265V AC, 50-60HzRated output:24V/4AMinimum start voltage: 8.0VBattery range: 120-150AhPower: 140WMultiple modes: Car / motorcycle / AGM / GEL / lead acidMode: Summer/winterDisplay: Voltage, current, temperature, repair, completion, reverseThermal protect: 65'C+/-5'CCompliant standards: CE, FC, Rohs, PSEDimension (LWH): 18212075mmNote:This Charger is for battery capacity between 120AH to 150AHPls check the capacity (AH) of your battery before buying the charger! Thanks!Package Included:1 X 24V Pulse Repair LCD Charger