12V Multifunctional Battery Testers LED Reverse Di

12V Multifunctional Battery Testers LED Reverse Display Screen Auto Repair Industry Electrician Tester Tools Function: 1. Designed for testing 12V battery voltage or charging series voltage 2. Equipped with LED display screen and LED battery status indicator light 3. Rubber body with crocodile clip for connection 4. Equipped with reverse connection alarm and overvoltage protection functions Operation Instruction: 1. Correctly connect the instrument battery clip to the battery terminal, with the red clip connected to the positive pole "+" and the black clip connected to the negative pole "-". If they are reversed, the LED display screen will not display, the PEVERSC indicator light will light up, and an alarm prompt will be issued 2. After proper connection, the LED display screen will show the real-time voltage of the tested battery, and the LED light will light up to indicate the battery status 3. When testing the generator charging system, please ensure that the tester is correctly connected to the battery terminals, and then start the generator. At this time, the output voltage will be displayed on the LED display screen, and the right LED indicator light will light up to indicate the status of the generator LED lamp related： FuLL fuly charged LED light is on,nomal state MEDIA CLP LED light on,slightly lower voltage LoW low power LED light is on,battery is low,beep alarm EMPTY no power The LED is on.No power at all. High HlGH voltage LEp light on,high output voltage coop voltage is good The LEp light is on,the output is normal. DEAD fault The LED light is on,the voltage is too low,the buzzer alarm prompts,there should be a problem with the battery. “+-”polar connection LED light on,"+"reverse connection,buzzer alarm prompt Package: 1 * Battery Tester 1 * Packing Box Shipping: CollectionPost/Courier Payment: PaypalBank transfer