PRO12-48M 36 volt ProPower's Golf Cart Battery meter for 36VDC systems - Works on Trojan, Exide, Interstate and all batteries

*PRO12-48M -36 ProPower's Golf Cart Battery Indicator for 36VDC systems - Works on Trojan, Exide, Interstate and others. * Does not work on lithium batteries or Optima batteries. *Prevents running battery pack too low.