Automotive Battery Tester Dual Digital Voltage Current OBD Connector LED Indicator High Insulation ECU Data Protection Replace Car Battery (12V)

Dual digital display voltage and current battery replacement detector: It can display both voltage and current simultaneously, making it convenient for users to understand the status and charging status of the battery., OBD connector: It can be directly connected to the vehicle's OBD interface, making it convenient and fast to obtain vehicle battery information. Suitable for 12V car battery, it can be easily and quickly replaced, saving time and energy., Self contained insurance: With a built-in safety device, it can effectively protect the detector and vehicle from excessive current damage., High insulation: With good insulation performance, it can effectively prevent safety issues such as current leakage and short circuits., Protecting Vehicle ECU Data: When replacing a car battery, it can protect the vehicle's ECU data and prevent data loss or damage.