[Checking the health of the battery and charging system (alternator)] Easily plugs into a DC 12 volt cigarette lighter plug. If you are in doubt about the health of your battery, you can plug it in and read more. [LCD Display] Displays the measured voltage as a bar graph and indicates the battery charge level. [Pivot head] Rotating head makes it easy to read. You can also adjust it so it doesn't hit the shifter. [Pocket size] Small size, convenient and practical. nan nan

Tony 12V Car Battery Monitor, very clearly display the status of your car battery. Protects your engine computer and 12 volt accessories from damaging surges during jump starts and charging. The LCD screen displays the measured voltage as a bar graph, and the battery charge level quickly confirms the battery's charging status. Parts Diagram: Pivot Head - Pivots for easy viewing and angle adjustment. Voltage reading function - Refer to the battery state of charge chart for voltage reading levels. Charge Graph - Displays the measured voltage indicating the battery charge level. Red LED - Indicates a bad test result. Alternator test: 15.11-16V. Battery test: 11.99 - 0V. Yellow LED – Indicates a potential problem or low voltage. Alternator test: 14.51~15.1V. Battery test: 12.00 - 12.60V. Green LED - indicates a good test result. Alternator test: 13.51V -14.5V. Battery test: 12.61 - 13.5V.


Manufacturer: ‎TN TONNY
Brand: ‎TN TONNY
Product size: ‎13.72 x 2.79 x 6.35 cm; 82 g
Product model number: ‎TN4
Discontinued by the manufacturer: ‎No
Product dimensions: Depth x Width x Height: 13.7 x 2.8 x 6.4 cm
Number of bolts: 12 bolts
Color: Black
Product weight: ‎82 g