LED Battery Indicator Meter Gauge Made Specifically for Golf Carts with Trojan Batteries. Notice: Make sure your "C" terminal is either connected to the Battery "+" or a Key switch, Othersise, Meter will scan from full to empty then shuts off. Please connect the correct voltage to your battery indicator as noted on your model. Failure to connect to the correct voltage will damage the batery indicator causing it to function abnormally. This Battery indicator works on EZGO, Club Car, or Yamaha Golf Carts with Trojon Batteries only. Specifications: The batteries voltage is displayed using a 10 segment LED bar graph(1 Red, 2 Yellow and 7 Green LEDs) display from full to empty. The second LED from the left flashes as a warning that the batteries voltage has been discharged to 80% of their capacity. At a 90% battery discharge, the red and yellow LEDs will alternately flash to indicate a very low voltage capacity is remining. It is strongly recommended to recharge the batteries when you get to the 3rd Yellow LED, this is a safety precaution to avoid dead batteries. Operating and Storage Temperature: -20℃ to 85℃. Accuracy: +/- 0.5 percent. Net Weight: 21g / 0.8oz. Troubleshooting Tips 1. Meter scans from full to empty then shuts off: This occurs if your “C” terminal is not connected, make sure your “C” terminal is either connected to the battery + or a key switch.