12V Car Battery Auto Cranking and Charging System Test Scan Tool Dial Battery yzer Car Electric Quantity

Features:
1. Small and portable
2. High sensitivity, fast response, simple and convenient operation
3. Widely used in the auto repair industry: especially applicable to the maintenance and repair of automobiles, electric vehicle repair technicians, families and enterprises
4. It has the function of re connection alarm and overvoltage protection. The red clip is connected to the positive pole "+" and the blaclip is connected to the negative pole "-". If the connection is red, the LED display will not display, and the RE indicator will light up and give an alarm prompt
5. With LED re display screen, the backlight is also clear, and the test shows the re display screen, and the measured value can be clearly seen at night or in the dark to ist the measurement work, and easy reading
6. After the connection is correct, the LED display will display the real-time voltage of the measured voltage and the LED will light up to indicate the battery status
7. Test the state of the charging system: during the test, please keep the and the battery terminal correctly connected, and then start the . At this time, the output voltage will be displayed on the LED display, and the right LED indicator will light up to indicate the state of the
8. It is easy to complete multe tests without installing batteries, and use live measurement

s:
Product model: AT619
Product model: BT-171
Test voltage: 12V
Test method: positive and negative pole test clamp
Product material: ABS insulation material
LED light: red/yellow/green/blue/white color light
Product weight: 78g
Description of LED lamp:
FULL - full charge: LED light is on, and battery is in normal state
MEDIUM - medium power: LED light is on, battery voltage is slightly low and needs to be charged
LOW - low power: LED light is on, the battery is low and needs to be charged, and beep alarm
EMPTY - no power: LED light is on, the battery is completely dead and needs to be charged
High voltage: LED light is on, and the output voltage of alternator is high
GOOD - Good voltage: LED light is on, and alternator output is normal
DEAD-fault: LED light is on, battery voltage is too low, alarm indicates that there should be a problem with the battery. At this time, the battery should be checked by a professional engineer to see whether to rep it
RECERSE-Positive and negative poles are connected rely: LED light is on, battery is connected rely with battery terminal, and alarm prompt


Package include：
Carton pack
Battery * 1+instructions * 1