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* Not for use with Exide, Trojan, Interstate, US Battery, Powertron, AGM batteries or Walmart batteries. Order PRO36FRC-R for those batteries
* Check voltage range compatibility before ordering. See Below
* Warns when 30% of charge is left - Indicator displays Yellow
* Red/Yellow flashing LED at 10% remaining charge
* Must be connected during charging cycle
Works on most standard lead acid batteries. Check the voltage range below for compatibility before ordering. Battery Range - 31.1 volts empty; 36.98 volts full. Internal relay puts out 4.5 volts DC to power external solid state relay (not supplied) to power auxiliary equipment. Relay shuts off when the #1 and # 2 LEDs are alternately flashing. Battery Status The battery meter has 10 LEDS that will light to show the battery condition. When fully charged, only the 10th LED will light shown a green LED. As the battery discharges, successively lower LEDs will light; the 9th, 8th, 7th and so on lighting only 1 LED. At approximately 30% battery life, the #3 LED will light and the color is Yellow as a caution indicator. At approximately 20% battery life remaining, the #2 LED will light as a Flashing Yellow. When the battery discharges to approximately ~10% remaining life, the #1 LED will start FLASHING RED with the #2 LED FLASHING Yellow alternately.