Tonny 12V Cigarette Lighter Car Battery and Charging System Tester

Price: $20.99 - $14.99
(as of Jun 08, 2025 18:41:13 UTC – Details)

Product Description

TN TONNY Car Battery Tester

12V Car battery monitor, It shows very clear the status of your car’s 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 battery’s 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

Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 5.4 x 1.1 x 2.5 inches; 2.82 ounces
Item model number ‏ : ‎ TN4
Date First Available ‏ : ‎ July 18, 2017
Manufacturer ‏ : ‎ TN TONNY
ASIN ‏ : ‎ B07422ZPT4

【Checking Your battery’s and charging system (alternator) health】 Easily plugs into any DC 12 Volt cigarette lighter plugs,If you doubt your battery’s health plug it in and get detailed readings.
【LCD DISPLAY】 Shows the measured voltage with a bar graph to indicate batteries charging level
【PIVOTING HEAD】Swivel head makes it easy to read. It also allows adjustment to avoid hitting with the shifter .
【POCKET SIZE】The small size makes it handy and practical.
【WARRANTY】- We stand behind all our TN TONNY products. We give 1 year GUARANTEE for our product