Product features:

1. Compact and portable
2. High sensitivity, fast response time, simple and convenient operation
3. Widely used in the auto repair industry: especially suitable for car, electric car maintenance technicians and home, business vehicle maintenance and repair, etc.
4. With reverse connection alarm and over-voltage protection function, red clip connects to positive pole "+" black clip connects to negative pole "-" If the connection is reversed, the LED display does not show, the REVERSE indicator lights up and issues an alarm prompt
5. With LED backlighting screen, the backlighting screen can be displayed at night or in the shade to assist the measurement work and easy reading.
6. When correctly connected, the LED display will show the real-time voltage of the measured voltage and the LED light will be on to indicate the battery status
7. Test the state of the generator charging system: when testing, please keep the tester and battery terminals correctly connected, then start the generator, the output voltage will be shown on the LED display and the right LED indicator lights up to indicate the generator status
8. No need to install the battery, easily complete a number of tests, using the actual measurement

Product parameters:

Product Model:AT619
Product Model:BT-171
Test voltage:12V
Test method:Positive and negative test clips
Product Material:ABS Insulation Material
LED light:red/yellow/green/blue/white
Product Weight:78g

LED Light Description:

FULL-Full: LED light is on, battery is in normal condition
MEDIUM: LED light is on, battery voltage is slightly low and needs to be charged
LOW: LED light is on, the battery is low and needs to be recharged, beeping alarm
EMPTY-no battery: LED is on, the battery is completely dead and needs to be recharged
HIGH-Voltage high: LED light, alternator output voltage is high
GOOD-VOLTAGE GOOD: LED on, alternator output normal
DEAD-fault: LED light, the battery voltage is too low, the buzzer 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 if it should be replaced
RECERSE-positive and negative terminals are reversed: LED lights up, battery tester and battery terminals are connected in reverse, buzzer alarm prompts

Package list:

Battery tester*1
Alligator clip*1
Instruction manual*1