Prefectech 48V Golf Cart Battery Meter Indicator LED Gauge for EZGO Club Yamaha Car Marine Jet Ski 48V

Main Features: - LEDs flash for low electricity / overcharged warning - Memory option to recall last charge level - Fits standard panel cut-out - 10 segment LED bar graph display - Wide operating temperature range Specifications: -Display: 1 red + 2 yellow + 7 green color LEDs for indicator, 10% per LED segment -Range Indication: Green: 41 ~ 100%, Yellow: 21 ~ 40%, Red: < 20% -Product Size: 5.3cm x 3.2cm x 3.8cm -Operating temp:-20?~ +80? Store temp:-50?~ +90? Humidity:95%RH at 25??non-condensing? Package List: 1 * Battery Indicator 1 * Pack of Accessories 1 * User Manual ( English ) Reset Procedure: Have the indicator switched to the "on" position while charging for approximately 6 minutes. This will clear the memory and reset the meter back to "full". Troubleshooting answer: No light after meter installation? - Revert the +/- end Still display full when battery near empty? - Meter’s default setting is full charge, it needs time to simulate the discharge process.Or wrong Voltage range setting. 3. Not reset of battery volume? -Battery not fully charged, or wrong battery type. 4. battery volume go to empty soon? -Battery voltage not match or bad contact between pin and wire