MEROURII 12V/24V Car Battery Tester, LED Voltage Tester Digital Auto Charging System for Truck Motorcycle SUV

7-LED Digital Indication, 7-color LED Indication of Battery Or Alternator Status. Two Test Clamps For Safe and Easy Operation, Heavy-duty Insulated Clamps. Check the Charge Level: the Signal Light Will Flash According to the Charge Status of the Battery, Indicating "full", "half Full" Or "very Low Battery". Safety Alternator Tester: It Has Protection Against Wrong Polarity Connection and Overvoltage Protection. The Car Battery Tester Will Not Emit Light, Generate Heat Or Sparks, Nor Will It Discharge the Battery. The 12/24V Battery Tester Conveniently Checks the Power Level of the 12V/24V Battery in A Car, Truck Or SUV. Main Functions: 1. Check Power Level; 2. Function Test of Power System; 3. Check Battery Starting Ability; 4. Battery Overload Display SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Contact Us.We Will Provide After-sales Service .