12V Plug in Car Battery and Charging System Tester, Test Battery Condition & Alternator Charging (lcd Display)

Tonny 12V Car battery monitor, It shows very clear the status of your cars battery, It protects the engine computer and 12-volt accessories from damaging surges when jump starting or recharging. The LCD screen displays the measured voltage with a bar graph to indicate battery charge level quickly identify the batterys charge status. Parts Diagram : Pivoting Head - Pivots for easy viewing and angle adjustment Voltage Reading- Refer to battery state of charge chart for voltage reading levels Charge Graph - Displays the measured voltage to indicate battery charge level Red LED - Indicates bad test result Alternator test :15.11-16V Battery test : 11.99 - 0V Yellow LED - Indicates potential problem or low voltage Alternator test : 14.51 - 15.1V Battery test : 12.00 - 12.60V Green LED - Indicates good test result Alternator test : 13.51V -14.5V Battery test : 12.61 - 13.5V Pivots for easy viewing and angle adjustment Voltage Reading- Refer to battery state of charge chart for voltage reading levels Charge Graph Displays the measured voltage to indicate battery charge level Red LED Indicates bad test result Alternator test :15.11-16V Battery test : 11.99 0V Yellow LED – Indicates potential problem or low voltage Alternator test : 14.51 15.1V Battery test : 12.00 12.60V Green LED Indicates good test result Alternator test : 13.51V -14.5V Battery test : 12.61