Features:

2. High sensitivity, fast reaction speed, simple and convenient operation

3. Widely used in auto repair industry: especially suitable for automobile, electric vehicle repair technicians and family, enterprise vehicle maintenance and repair

4. With the function of REVERSE connection alarm and overvoltage protection, the red clip is connected to the positive electrode "+" Black clip is connected to the negative electrode "-" If the connection is reversed, the LED display will not display, the reverse indicator will light up and issue an alarm

5. With LED reflection screen backlight is also clear, the test shows the reflection screen, and the measurement value can be clearly seen at night or in the dark to assist the measurement work, easy reading

6. After the correct connection, the LED display will display the real-time voltage of the measured voltage while the LED light will light up to indicate the battery status

7. Test the status of the generator charging system: During the test, please keep the tester and the battery terminal properly connected, and then start the generator, at this time the output voltage will be displayed on the LED display, and the right LED indicator will light up to indicate the status of the generator

8. No need to install batteries, easy to complete a number of tests, using real shot measurement

Product parameters:

Product model: AT619

Product model :BT-171

Test voltage :12V

Test method: positive and negative electrode test clip

Product material :ABS insulation material

LED lights: red/yellow/green/blue/white lights

LED light related instructions:

FULL- Full charge: The LED light is on and the battery is in normal state

MEDIUM- CEC: The LED light is on, and the battery voltage is slightly low and needs to be charged

Low-low power :LED light, insufficient battery need to be charged, buzzer alarm

EMPTY- No power: The LED light is on, the battery is completely out of power and needs to be charged

HIGH- High voltage: The LED light is on and the output voltage of the alternator is high

GOOD- Good voltage :LED light on, alternator output normal

DEAD- fault: The LED light is on, the battery voltage is too low, and the buzzer alarm indicates that the battery should have a problem, and the battery should be checked by a professional engineer to see if it is replaced

RECERSE- positive and negative connection: The LED light is on, the battery tester is connected to the battery terminal in reverse, and the buzzer alarm prompts

Package included:

1 x BT-171 Battery Tester LED Digital Auto Battery Analyzer Charging Cranking System Tester 12V Car Battery Checker Diagnostic Tools