12V LED Digital Battery and Alternator Tester. It is a handheld device used to check the condition of a car's battery and charging system.
It is designed for 12V batteries and features an LED display to indicate the battery's condition and the alternator's charging status.
The tester has multiple functions, including checking the alternator state, battery state, and displaying overload.
The device is often sold under various brand names, but the core function remains the same.
It is a portable tool for cars and motorcycles, and it is easy to use by connecting the clips to the battery terminals.