12V ACID ólom akkumulátorok jelzőfénye kapacitás LED Tester Digitális feszültségmérő

12V ACID Lead Batteries Indicator Battery Capacity LED Tester Digital VoltmeterFeatures:
With a shell, easy to use stand-alone or embedded in the panel on the product.
Display Mode: Battery Percentage
Black wire connect negative electrode
Red wire connect positive
Usage: Connected the display panel positive and negative terminals to the tested battery positive and negative side, then the digital tube will show the battery level
battery capacity display parameter:
Battery voltage >11.2V, 1 Grid Light
Battery voltage >12V, 2 Grids Light
Battery voltage >12.5V, 3 Grids Light
Battery voltage >13.3V, 4 Grids Light
when battery voltage <11.2V ,the 4 grids all off,it means you need to charge the battery right now
Package Include:
1 x Indicator B
311730605949 - ali110 (280)