PRO36FRC ProPower's 36 Volt Battery Gauge, Status Indicator Meter w/relay output - Golf Cart * 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